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Antioch, CA Weather on August 26

August 26th in Antioch, CA typically brings warm summer weather, with average highs around 88°F and lows near 59°F — a 29°F daily swing. Over 54 years of records, the warmest August 26th was in 2017 (88°F average), while the coldest was 2012 (58°F) — a 30°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
88°F
Avg Low
59°F
Record High
103°F
1988
Record Low
50°F
1981
Antioch, CA on August 26 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on August 26

Planning for August 26th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.

August 26 Weather Records for Antioch

  • The all-time record high for August 26th in Antioch, CA is 103°F, set in 1988.
  • The coldest August 26th on record dropped to 50°F in 1981.
  • Temperatures have reached 90°F or higher on August 26th in 22 of the last 54 years.

Frequently Asked Questions

What was the warmest August 26 ever in Antioch?

The warmest August 26 in Antioch, CA reached 103°F in 1988. That is 15°F above the long-term average high of 88°F.

What was the coldest August 26 ever in Antioch?

The coldest August 26 in Antioch, CA dropped to 50°F in 1981. That is 9°F below the long-term average low of 59°F.

What is the average temperature on August 26 in Antioch?

On August 26, Antioch averages a high of 88°F and a low of 59°F based on 54 years of NOAA weather observations from ANTIOCH FIBREBRD MILLS.

How many years of weather data are available for August 26 in Antioch?

We have 54 years of weather records for August 26 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.

August 26 Weather History in Antioch

YearHighLowPrecipSnow
202588°F58°F----
202489°F68°F----
202381°F64°F----
202284°F65°F----
202194°F56°F0"--
202090°F62°F0"--
201997°F65°F0"--
201880°F57°F0"--
201799°F78°F----
201682°F55°F0"--
201594°F60°F0"--
201488°F58°F0"--
201383°F60°F0"--
201265°F51°F----
201192°F59°F0"--
201094°F59°F0"--
200996°F57°F0"--
200892°F65°F0"--
200788°F57°F0"--
200685°F57°F0"--
200589°F69°F----
200487°F61°F0"--
200390°F57°F0"--
200295°F60°F0"--
200188°F71°F----
200091°F58°F0"--
199994°F68°F0"--
199887°F53°F0"--
199785°F66°F0"--
199683°F56°F0"--
199585°F52°F0"--
199489°F55°F0"--
199391°F60°F0"--
199287°F58°F0"--
199185°F57°F0"--
199076°F58°F0"--
198990°F56°F0"--
1988103°F69°F0"--
198690°F59°F0"--
198593°F56°F0"--
198481°F57°F0"--
198382°F51°F0"--
198285°F54°F0"--
198188°F50°F0"--
198083°F52°F0"--
197990°F54°F0"--
197880°F54°F0"--
197783°F59°F0"--
197689°F58°F0"--
197591°F54°F0"--
197481°F58°F0"--
197380°F56°F0"--
197294°F60°F0"--
197191°F60°F0"--

Based on 54 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°
💧 0.2"
Feb
59°/ 42°
💧 0.3"
Mar
64°/ 46°
💧 0.2"
Apr
69°/ 48°
💧 0.2"
May
76°/ 53°
💧 0.2"
Jun
83°/ 58°
💧 0.1"
Jul
87°/ 61°
💧 0.1"
Aug
87°/ 60°
💧 0.1"
Sep
84°/ 59°
💧 0.2"
Oct
75°/ 53°
💧 0.3"
Nov
62°/ 46°
💧 0.3"
Dec
54°/ 40°
💧 0.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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