Historical Weather in Elgin, IL
See 55+ years of weather history for any date in Elgin going back to 1970.
Part of Illinois weather history · Illinois temperature records
Look Up a Specific Date
Today in Elgin Weather HistorySee records, averages, and 55+ years of data for today's date
→Trending Now
Monthly Climate Averages
Historical temperature and precipitation averages for Elgin, IL, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 83°F / Low: 62°F
Coldest MonthJanuaryAvg High: 29°F / Low: 13°F
Jan
29°/ 13°
💧 4.7"
❄️ 1.5"
Feb
34°/ 16°
💧 5.3"
❄️ 1.5"
Mar
46°/ 26°
💧 6.2"
❄️ 1.4"
Apr
59°/ 37°
💧 8.0"
❄️ 1.2"
May
70°/ 47°
💧 9.3"
❄️ 1.0"
Jun
80°/ 57°
💧 10.0"
Jul
83°/ 62°
💧 10.7"
Aug
81°/ 61°
💧 11.4"
Sep
75°/ 52°
💧 9.9"
❄️ 2.0"
Oct
62°/ 40°
💧 7.6"
❄️ 0.7"
Nov
48°/ 30°
💧 6.6"
❄️ 1.2"
Dec
34°/ 18°
💧 5.5"
❄️ 1.5"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Elgin, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Elgin, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
Elgin, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Cooler
Hotter
20°40°60°80°100°
Best Time to Visit Elgin, IL
Elgin, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Elgin Temperature Records
- Record High: The hottest temperature ever recorded in Elgin, IL is 103°F, set on July 10, 1974.
- Record Low: The coldest temperature ever recorded in Elgin, IL is -29°F, set on February 1, 2019.
- Data Coverage: Based on 54 years of data from NOAA weather station: ELGIN WATER.
All-Time Record High
103°F
July 10, 1974
All-Time Record Low
-29°F
February 1, 2019
Monthly Temperature Records in Elgin
| Month | Record High | Record Low |
|---|---|---|
| January | 66°F(1989) | -29°F(2019) |
| February | 76°F(2024) | -29°F(2019) |
| March | 85°F(2012) | -9°F(2002) |
| April | 91°F(1986) | 5°F(1982) |
| May | 97°F(2012) | 26°F(1989) |
| June | 103°F(1988) | 30°F(2000) |
| July | 103°F(2012) | 42°F(1983) |
| August | 101°F(1991) | 38°F(1986) |
| September | 96°F(1971) | 26°F(1974) |
| October | 90°F(1971) | 14°F(1988) |
| November | 77°F(1974) | -10°F(1976) |
| December | 70°F(2012) | -24°F(1983) |
Elgin Snow RecordsSee the top 10 snowiest days ever recorded
→Holiday Weather in Elgin
Weather Analysis & Trends
RecordsHottest Temperatures Ever Recorded in Every US StateAll 50 state record highs ranked, including Illinois.Severe WeatherTornado Season 2026: Forecasts & What to ExpectAn EF5 already, and the peak still ahead.Climate ForecastEl Niño 2026: What Every US Region Should Expect85% likely by late 2026. Region-by-region impact analysis.