NOAA GHCND · LIVE
Weather landscape

Unknown author / CC0

Antioch, CA Weather on July 11

July 11th in Antioch, CA typically brings hot summer weather, with average highs around 91°F and lows near 61°F — a 30°F daily swing. Over 55 years of records, the warmest July 11th was in 2024 (96°F average), while the coldest was 2001 (56°F) — a 40°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
91°F
Avg Low
61°F
Record High
104°F
2024
Record Low
49°F
2001
Antioch, CA on July 11 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on July 11

Planning for July 11th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.

July 11 Weather Records for Antioch

  • The all-time record high for July 11th in Antioch, CA is 104°F, set in 2024.
  • The coldest July 11th on record dropped to 49°F in 2001.
  • Temperatures have reached 90°F or higher on July 11th in 35 of the last 55 years.
  • Last year (1971), July 11th was 8°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest July 11 ever in Antioch?

The warmest July 11 in Antioch, CA reached 104°F in 2024. That is 13°F above the long-term average high of 91°F.

What was the coldest July 11 ever in Antioch?

The coldest July 11 in Antioch, CA dropped to 49°F in 2001. That is 12°F below the long-term average low of 61°F.

What is the average temperature on July 11 in Antioch?

On July 11, Antioch averages a high of 91°F and a low of 61°F based on 55 years of NOAA weather observations from ANTIOCH FIBREBRD MILLS.

How many years of weather data are available for July 11 in Antioch?

We have 55 years of weather records for July 11 in Antioch, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

July 11 Weather History in Antioch

YearHighLowPrecipSnow
202593°F80°F----
2024104°F87°F----
202390°F74°F----
202292°F76°F----
202196°F64°F0"--
2020100°F61°F0"--
201992°F62°F0"--
201889°F72°F----
201782°F70°F----
201690°F64°F0"--
201584°F59°F0"--
201483°F60°F0"--
201388°F54°F0"--
2012102°F61°F0"--
201187°F51°F0"--
201093°F58°F0"--
200987°F61°F0"--
200895°F61°F0"--
200778°F60°F0"--
200695°F58°F0"--
200591°F68°F0"--
200491°F58°F0"--
200397°F59°F0"--
2002103°F63°F0"--
200164°F49°F----
200079°F66°F----
1999102°F57°F0"--
199882°F55°F0"--
1997101°F60°F0"--
199695°F61°F0"--
199583°F55°F0"--
199494°F55°F0"--
199392°F64°F0"--
199293°F65°F0"--
199192°F55°F0"--
1990102°F70°F0"--
198992°F57°F0"--
1988101°F61°F0"--
198788°F58°F0"--
198696°F66°F0"--
1985--60°F0"--
198499°F57°F0"--
198395°F63°F0"--
198292°F59°F0"--
198191°F55°F0"--
198090°F55°F0"--
197984°F51°F0"--
197886°F52°F0"--
197794°F55°F0"--
197699°F63°F0"--
197586°F55°F0"--
197474°F52°F0"--
197399°F64°F0"--
197288°F59°F0"--
197183°F61°F0"--

Based on 55 years of data from NOAA station: ANTIOCH FIBREBRD MILLS

Monthly Climate Averages

Historical temperature and precipitation averages for Antioch, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 87°F / Low: 60°F
Coldest MonthDecemberAvg High: 54°F / Low: 40°F
Jan
54°/ 40°
💧 5.9"
Feb
59°/ 42°
💧 6.5"
Mar
64°/ 46°
💧 5.8"
Apr
69°/ 48°
💧 4.6"
May
76°/ 53°
💧 4.5"
Jun
83°/ 58°
💧 3.7"
Jul
87°/ 61°
💧 2.4"
Aug
87°/ 60°
💧 2.0"
Sep
84°/ 59°
💧 4.7"
Oct
75°/ 53°
💧 7.1"
Nov
62°/ 46°
💧 7.1"
Dec
54°/ 40°
💧 6.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery