# weatheronthisday.com

> Historical weather lookup for any US location. See what the weather was on any date going back 55 years to 1970.

## About This Site

Weather On This Day provides historical weather data sourced from NOAA (National Oceanic and Atmospheric Administration) Climate Data Online. Our database contains over 139 million weather observations from 14,000+ weather stations across the United States, spanning from 1970 to present (55 years).

## What Data Is Available

- **Temperature**: Daily high and low temperatures in Fahrenheit
- **Precipitation**: Rainfall amounts in inches
- **Snowfall**: Snow accumulation in inches
- **Historical averages**: Computed from 25 years of data
- **Record temperatures**: Hottest and coldest on record for any date
- **Trends**: Year-over-year weather patterns

## How To Use This Data

### URL Patterns

- `/{zip}/{month}/{day}` - Weather history for a specific date and location
  - Example: `/10001/12/25` - Christmas weather in New York, NY
  - Example: `/90210/7/4` - July 4th weather in Beverly Hills, CA

- `/city/{city-slug}` - Weather hub for major US cities
  - Example: `/city/chicago` - Historical weather for Chicago, IL

- `/state/{state-slug}` - Weather hub for US states
  - Example: `/state/texas` - Historical weather for Texas cities

- `/holiday/{holiday-slug}` - Weather by holiday across all cities
  - Example: `/holiday/thanksgiving` - Thanksgiving weather nationwide

- `/records/{state-slug}` - All-time temperature records for a state
  - Example: `/records/texas` - Record high and low temperatures in Texas
  - Example: `/records/arizona` - Hottest and coldest days ever in Arizona

- `/records/city/{city-slug}` - Temperature records for a specific city
  - Example: `/records/city/phoenix` - Record temperatures in Phoenix, AZ
  - Example: `/records/city/chicago` - Record temperatures in Chicago, IL

- `/trends/{article-slug}` - Editorial analysis of record-breaking events and climate trends
  - Example: `/trends/march-2026-heat-wave` - March 2026 Heat Wave Shattered Records in 14 States
  - Example: `/trends/hottest-temperatures-ever-recorded` - Hottest Temperatures Ever Recorded in Every US State
  - Example: `/trends/el-nino-2026` - El Niño 2026 region-by-region US weather impact analysis
  - Example: `/trends/hurricane-season-2026` - Hurricane Season 2026 forecasts and state-by-state risk
  - Example: `/trends/tornado-season-2026` - Tornado Season 2026 forecasts and historical context

- `/parks/{park-slug}` - Historical weather hub for US national parks
  - Example: `/parks/zion` - Zion National Park weather history
  - Example: `/parks/mount-rainier` - Mount Rainier weather history

- `/intl/{city-slug}` - Historical weather for international cities
  - Example: `/intl/seoul` - Seoul weather history
  - Example: `/intl/tokyo` - Tokyo weather history

### Editorial Analysis Articles

Data-driven analysis backed by NOAA observations:

- `/trends` - Trends & Analysis hub listing all editorial articles
- `/trends/2026-hottest-year-on-record` - 2026 Is on Track to Be the Hottest Year in US History: Every rolling 12-month window since April 2025 has been the warmest on record for the contiguous US. March 2026 posted the largest monthly temperature departure ever (+9.35°F). 18 states set new monthly records through April (AZ, CA, CO, ID, IL, IN, KY, MO, NV, NM, OH, OK, TN, TX, UT, VA, WV, WY). Jan-Mar was driest on record. 61% of lower 48 in drought. ECMWF projects 100% Super El Niño by November. Carbon Brief: 2026 on track for 2nd warmest year globally, 19% chance of beating 2024. Month-by-month NOAA NCEI data, top 10 warmest US years table, state-by-state records, drought-heat feedback analysis (published May 29, 2026)
- `/trends/4th-of-july-weather-history` - 4th of July Weather History: City-by-city July 4th averages for 40 US cities, Thomas Jefferson's 76°F on the first Independence Day, the 1911 coast-to-coast 106°F heat wave, July 4 2023 as Earth's hottest day ever, the 2025 Texas flash flood (139 dead), and Climate Central data showing 93% of cities have warmer Julys since 1970 (published May 6, 2026)
- `/trends/deadliest-hurricanes-us-history` - Deadliest Hurricanes in US History: 15 deadliest ranked — Galveston 1900 (8,000+ dead), Maria 2017 (2,975 dead), Lake Okeechobee 1928 (2,500 dead), Katrina 2005 (1,392 dead, $201B costliest). 10 costliest storms inflation-adjusted, 8 strongest landfalls (Labor Day 1935 at 185 mph), state-by-state hurricane frequency from HURDAT2, climate change intensification trends (published May 8, 2026)
- `/trends/worst-blizzards-us-history` - Worst Blizzards in US History: 12 deadliest ranked — Great Blizzard 1888 (400+ dead, 58" snow), Appalachian Storm 1950 (353 dead), Storm of Century 1993 (318 dead, 26 states), Winter Storm Uri 2021 (246-700 dead, $195B damage), Children's Blizzard 1888 (235 dead), Buffalo Christmas Blizzard 2022 (47 dead). Blizzard records, regional risk analysis, climate change effects on snowstorms (published May 8, 2026)
- `/trends/worst-heat-waves-us-history` - The Worst Heat Waves in US History: 10 deadliest ranked — 1901 Eastern heat wave (~9,500 dead), 1936 Dust Bowl (5,000 dead, 121°F), 2023 (2,325 dead, Phoenix 31 consecutive 110°F days), 1995 Chicago (739 dead, heat index 119°F), 2021 PNW heat dome (Portland 116°F, 1-in-10,000-year event). Plus heat dome explanation, nighttime heat danger, El Niño correlation, March 2026 megaheat (published May 6, 2026)
- `/trends/may-2026-super-tornado-outbreak` - May 2026 Super Tornado Outbreak: 206 tornadoes in 48 hours, 78 deaths across 12 states, Rochester MN EF5 (first in Minnesota history, first US EF5 since 2013). 2nd most tornadoes in 24 hours ever (162, behind only April 27, 2011). Side-by-side comparison with 2011, 1974 super outbreaks using NOAA SPC data. State-by-state breakdown, El Nino connection, 2026 season context (published May 20, 2026)
- `/trends/worst-wildfires-us-history` - The Worst Wildfires in US History: 12 deadliest and largest ranked — Peshtigo Fire 1871 (1,500–2,500 dead, 1.2M acres), Cloquet Fire 1918 (453 dead), Great Fire of 1910 (87 dead, 3M acres — largest ever), Camp Fire 2018 (85 dead, 18,804 structures), 2025 LA fires (29 dead, $50B+), 2020 season (10.1M acres worst modern year). Plus wildfire season 2026 forecast (5.5–8M acres), drought-fire connection, NIFC statistics (published May 15, 2026)
- `/trends/worst-floods-us-history` - The Worst Floods in US History: 12 deadliest ranked — Galveston Hurricane 1900 (8,000–12,000 dead), Johnstown Flood 1889 (2,209 dead), Great Mississippi Flood 1927 (500+ dead, 27,000 sq mi), Hurricane Katrina 2005 (1,392 flood deaths), Hurricane Harvey 2017 (60.58" rain, $158.8B), 2025 Texas flash flood (141 dead). Plus flood types, rainfall trend data (+37% in NE since 1958) (published May 15, 2026)
- `/trends/best-time-to-visit-yosemite` - Best Time to Visit Yosemite: Month-by-month NOAA data from Yosemite Valley (3,966 ft) and Tuolumne Meadows (8,600 ft). Peak waterfall timing (May), 12-year Tioga Road opening date history (April 17 to July 7 range), wildfire smoke risk data (2018 Ferguson Fire AQI 386), valley-vs-high-country weather comparison, 2026 no-reservation policy, seasonal activity guides (published May 22, 2026)
- `/trends/best-time-to-visit-sequoia` - Best Time to Visit Sequoia National Park: NOAA data from three elevation zones — foothills (800 ft, 96°F summer), Giant Forest (6,500 ft, 78°F summer), high Sierra (14,494 ft). Best months May and September. 220" annual snowfall at Lodgepole. Castle Fire 2020 killed 10,000+ giant sequoias. KNP Complex Fire 2021 impact. Kings Canyon companion guide. Road conditions and chain requirements (published May 22, 2026)
- `/trends/deadliest-tornadoes-us-history` - Deadliest Tornadoes in US History: 15 deadliest US tornadoes ranked from Tri-State 1925 (695 dead, 219 mi path) to Moore 2013. 5 worst outbreaks including 2011 Super Outbreak (367 tornadoes), 1974 Super Outbreak (7 F5s), and May 2026 (206 tornadoes, 78 dead, first MN EF5). Tornado records: widest (El Reno 2.6 mi), fastest winds (301 mph Bridge Creek-Moore). Deaths by decade table showing warning system impact. Tornado Alley eastward shift analysis (published May 25, 2026)
- `/trends/best-time-to-visit-acadia` - Best Time to Visit Acadia National Park: 75 years NOAA data from Bar Harbor. September best overall — fog drops from 11 days (June) to 6 days. Fall foliage peaks Oct 7-20, starts at Cadillac summit (1,530 ft) in late September. Cadillac Mountain sunrise reservations 2026 (May 20-Oct 25, $6/vehicle). Monthly weather table with fog days, precipitation, crowd levels. 2026 El Niño may delay foliage timing. Hurricane season overlap analysis (published May 25, 2026)
- `/trends/best-time-to-visit-death-valley` - Best Time to Visit Death Valley: Month-by-month NOAA data from Furnace Creek. Best months (Nov–Mar, 65–82°F), wildflower season (Feb–Apr, rain-dependent), heat danger (July avg 117°F, ~33 days/year >120°F), 134°F record controversy, seasonal activities, what-to-see guides (published May 15, 2026)
- `/trends/best-time-to-visit-glacier` - Best Time to Visit Glacier National Park: Mid-July is best overall (GTSR guaranteed open, pre-smoke). Going-to-the-Sun Road opening date history (June 13 to July 13 range), wildfire smoke timeline (2017 Sprague, 2018 Howe Ridge), glacier recession data, September larch season (published May 1, 2026)
- `/trends/best-time-to-visit-grand-canyon` - Best Time to Visit the Grand Canyon: April and October are best (60-65°F South Rim). Three climate zones compared — South Rim (7,000'), North Rim (8,297'), inner canyon (2,460'). Phantom Ranch heat danger data, monsoon season analysis, 2026 North Rim fire impact (published May 1, 2026)
- `/trends/best-time-to-visit-yellowstone` - Best Time to Visit Yellowstone: September is best overall (63°F, 45% fewer crowds, elk bugling). Month-by-month weather data from 55 years of NOAA records, 2026 road opening schedule, wildlife viewing guide, crowd calendar (published April 29, 2026)
- `/trends/best-time-to-visit-zion` - Best Time to Visit Zion National Park: April and October are best (70s temps, low flash flood risk). Month-by-month guide with flash flood risk ratings, Narrows closure data, Angels Landing conditions, heat safety (published April 29, 2026)
- `/trends/el-nino-2026` - El Niño 2026 Forecast: CONFIRMED by CPC June 11 Advisory. 63% chance of very strong event by Nov-Jan. ECMWF projects +3°C SST anomaly by December — potentially strongest ever recorded. CSU lowered hurricane forecast to 11 storms. Region-by-region US impact analysis from 139M NOAA records. (published April 24, updated June 13, 2026)
- `/trends/hurricane-season-2026` - Hurricane Season 2026 Predictions: CSU revised forecast June 10: 11 named storms (down from 13), 5 hurricanes, 2 major — about 60% of average. NOAA: 8–14 named storms, 55% below-normal. El Niño confirmed and suppressing Atlantic. Zero tropical activity first 13 days. State-by-state risk from 170+ years NOAA HURDAT2 data. (published April 22, updated June 13, 2026)
- `/trends/hottest-temperatures-ever-recorded` - Hottest Temperatures Ever Recorded in Every US State: all 50 ranked from Death Valley's 134°F to Alaska/Hawaii at 100°F, Dust Bowl dominance, 2021 heat dome, March 2026 context (published April 17, 2026)
- `/trends/tornado-season-2026` - Tornadoes of 2026: 500+ tornadoes, 78 deaths. May super outbreak: 162 tornadoes in 24 hours (2nd most ever), first Minnesota EF5. State-by-state data from NOAA SPC records. (published April 15, updated June 16, 2026)
- `/trends/march-2026-heat-wave` - March 2026 Heat Wave: 7,000+ daily records broken across 14 states, 112°F in mid-March (published April 8, 2026)
- `/trends/coldest-temperatures-ever-recorded` - Coldest Temperatures Ever Recorded in Every US State: all 50 states ranked, Alaska -80°F at Prospect Creek (published April 10, 2026)
- `/trends/summer-2026-outlook` - Summer 2026 Forecast: El Niño confirmed (CPC Advisory June 11). ECMWF: could be strongest ever (+3°C). 36 states face above-normal heat. CSU revised to 11 storms. Drought covers 61% of lower 48. (published April 3, updated June 16, 2026)
- `/trends/winter-2025-26-record-warmth` - Winter 2025-26 Was the 2nd Warmest on Record: nine states broke all-time winter records (published April 1, 2026)
- `/trends/best-weather-states-rankings` - Best Weather States in America: All 50 ranked by NOAA data using 4 metrics — sunshine hours, temperature comfort days (60-85°F), humidity, and rainy days. California #1 (89/100), Arizona #2 (most sunshine), Hawaii #3 (most comfort days), Florida #8 (overrated — humidity and rain drag it down), Alaska #50 (28 comfort days/year). Links to all 50 state records pages. (published May 27, 2026)
- `/trends/best-time-to-visit-olympic` - Best Time to Visit Olympic National Park: Late July is the only month where all three climate zones cooperate. Hoh Rainforest drops to 2.2" rain (vs 24.8" in Jan), Hurricane Ridge snow-free with wildflower peaks, coast gets 4 rainy days instead of 20. Zone-by-zone NOAA data from Quillayute station. Wildfire smoke season analysis. El Niño 2026 impact on PNW precipitation. (published May 27, 2026)
- `/trends/best-time-to-visit-joshua-tree` - Best Time to Visit Joshua Tree: October is best overall (80°F days, 49°F nights). Summer is dangerous — Pinto Basin exceeds 110°F, 22 deaths 2007-2018. Dual-elevation NOAA data (high desert 4,190 ft vs low desert 1,500 ft). Super bloom history (2017, 2019, 2023 were best years, El Niño correlation). Rock climbing friction temps (50-70°F ideal). International Dark Sky Park stargazing guide. (published May 27, 2026)

### Available Holidays

- New Year's Day (January 1)
- Valentine's Day (February 14)
- St. Patrick's Day (March 17)
- Easter (varies - typically late March/April)
- Memorial Day (late May)
- Independence Day (July 4)
- Labor Day (early September)
- Halloween (October 31)
- Veterans Day (November 11)
- Thanksgiving (late November)
- Christmas Eve (December 24)
- Christmas (December 25)
- New Year's Eve (December 31)

### Major Cities Covered

New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, Fort Worth, Columbus, Charlotte, San Francisco, Indianapolis, Seattle, Denver, Boston, El Paso, Nashville, Detroit, Portland, Las Vegas, Memphis, Louisville, Baltimore, Milwaukee, Albuquerque, Tucson, Fresno, Sacramento, Atlanta, Miami, New Orleans, Minneapolis, Tampa, Orlando, Pittsburgh

## Example Queries This Site Can Answer

- "What was the temperature on July 4, 2023 in Chicago?"
- "What is the average Christmas temperature in Miami?"
- "How often does it snow on Thanksgiving in Denver?"
- "What was the coldest New Year's Day on record in Boston?"
- "Has it ever been above 70°F on Christmas in Los Angeles?"
- "What's the probability of rain on my wedding date?"
- "What was the weather on [specific date] in [ZIP code]?"
- "What is the record high temperature in Texas?"
- "What is the hottest temperature ever recorded in Phoenix?"
- "What is the hottest temperature ever recorded in each US state?"
- "What is the coldest day in California history?"
- "What are the monthly temperature records for Chicago?"
- "When was the hottest July ever recorded in Arizona?"
- "How many tornadoes have been recorded in 2026?"
- "How many tornadoes were in the May 2026 outbreak?"
- "Was the Rochester tornado an EF5?"
- "How does the May 2026 outbreak compare to April 2011?"
- "How does March 2026 compare to other record heat waves?"
- "What is the coldest temperature ever recorded in the US?"
- "How warm was winter 2025-26 compared to history?"
- "What is the summer 2026 weather outlook?"
- "How many hurricanes are predicted for 2026?"
- "Will El Nino affect hurricane season 2026?"
- "Which states get hit by hurricanes the most?"
- "What is a super El Nino?"
- "How will El Nino affect weather in 2026?"
- "What happens during El Nino in California?"
- "What is the best time to visit Yellowstone?"
- "Best month to visit Yellowstone National Park"
- "Yellowstone weather by month"
- "Best time to visit Zion National Park"
- "When is flash flood season at Zion?"
- "Is it too hot to hike Zion in July?"
- "Best time to visit Grand Canyon"
- "How hot does it get at the bottom of the Grand Canyon?"
- "When is monsoon season at the Grand Canyon?"
- "Is the Grand Canyon North Rim open year-round?"
- "Best time to visit Glacier National Park"
- "When does Going-to-the-Sun Road open?"
- "Is wildfire smoke a problem at Glacier National Park?"
- "Best time to visit Yosemite"
- "When does Tioga Road open in Yosemite?"
- "When are Yosemite waterfalls at their best?"
- "Is wildfire smoke a problem at Yosemite?"
- "Can you visit Yosemite in winter?"
- "Best time to visit Sequoia National Park"
- "Do I need snow chains for Sequoia?"
- "Is Sequoia open in winter?"
- "When does Generals Highway open?"
- "What happened to the giant sequoias in the Castle Fire?"

- "What was the deadliest tornado in US history?"
- "What was the biggest tornado ever recorded?"
- "How many tornadoes happen in the US per year?"
- "Is Tornado Alley shifting eastward?"
- "Best time to visit Acadia National Park"
- "How foggy is Acadia in June?"
- "When is fall foliage at Acadia?"
- "Do I need reservations for Cadillac Mountain?"
- "What was the hottest July 4th ever?"
- "Was July 4 2023 the hottest day ever?"
- "What was the weather on July 4 1776?"
- "Are July 4ths getting hotter?"
- "What was the deadliest heat wave in US history?"
- "What is a heat dome?"
- "How many people die from heat waves in the US?"
- "Are heat waves getting worse?"
- "Why are nighttime temperatures dangerous during heat waves?"
- "How did the 1995 Chicago heat wave kill so many people?"

## Data Source

All weather data is sourced from NOAA's Global Historical Climatology Network Daily (GHCN-D) dataset. This is the official US government weather record, maintained by the National Centers for Environmental Information.

- Data coverage: 1970 - present (55 years)
- Update frequency: Historical data (static)
- Stations: 14,000+ across the United States
- Observations: 139+ million daily records

## Citation

When referencing data from this site:

"Weather data from Weather On This Day (weatheronthisday.com), sourced from NOAA Climate Data Online."

## Tornado History (1950–present)

In addition to weather history, this site catalogs every tornado recorded in the
United States by the NOAA Storm Prediction Center since 1950. Data includes EF
rating, fatalities, injuries, path length and width, and start/end coordinates.

### Tornado URL Patterns

- `/tornadoes` — US tornado history hub, every recorded tornado since 1950
- `/tornadoes/map` — Interactive national tornado path map (EF3 and stronger)
- `/tornadoes/ef/{rating}` — Complete list by EF rating
  - Example: `/tornadoes/ef/ef5` — every F5/EF5 tornado since 1950 (59 events)
  - Example: `/tornadoes/ef/ef4` — every F4/EF4 tornado since 1950
- `/tornadoes/state/{state-slug}` — State tornado history
  - Example: `/tornadoes/state/oklahoma` — Oklahoma tornadoes (most EF5s, tied)
  - Example: `/tornadoes/state/texas` — Texas tornadoes (highest absolute count)
  - Example: `/tornadoes/state/kansas` — Kansas tornadoes
- `/tornado/{slug}` — Individual famous tornado event pages
  - Example: `/tornado/joplin-2011` — 2011 Joplin EF5 (158 deaths, $2.8B damage)
  - Example: `/tornado/moore-2013` — 2013 Moore EF5 (24 deaths incl. 7 children at Plaza Towers)
  - Example: `/tornado/tri-state-1925` — Tri-State Tornado (695 deaths, longest path 219 mi)

### Tornado Data Source

NOAA Storm Prediction Center 1950–present tornado database:
https://www.spc.noaa.gov/wcm/data/

Supplemented with National Weather Service post-event damage surveys and NCEI
Storm Data reports. Citation format:

"Tornado data from Weather On This Day (weatheronthisday.com), sourced from
NOAA Storm Prediction Center."

## Contact

Website: https://weatheronthisday.com