Antioch August Weather

Averages and records for weather in Antioch, California in the month of August.
Typical Antioch August Weather
1991–2020
Average daily high 90.0 °F
Average daily low 59.5 °F
Average monthly precipitation 0.0 inches
Daily chance of precipitation 0.72%
Antioch August Weather Records
1915–2021
Highest temperature 109 °F August 5, 1998
Lowest temperature 40 °F August 10, 1983
Highest daily low 79 °F August 1, 1917
Lowest daily high 68 °F August 29, 2000
Hottest average high temperature 94.5 °F 1996
Coldest average high temperature 84.4 °F 1976
Most daily precipitation 0.5 inches August 22, 1968
Most monthly precipitation 0.7 inches 1976
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
August 1 91.1 59.8 104 46
August 2 91.2 59.8 108 44
August 3 91.2 59.8 103 47
August 4 91.2 59.7 106 45
August 5 91.1 59.7 109 40
August 6 91.0 59.7 104 43
August 7 91.0 59.6 104 47
August 8 90.8 59.6 106 45
August 9 90.7 59.6 105 46
August 10 90.6 59.6 107 40
August 11 90.5 59.6 106 45
August 12 90.4 59.5 106 44
August 13 90.3 59.6 109 44
August 14 90.2 59.6 105 45
August 15 90.2 59.6 106 47
August 16 90.1 59.6 106 43
August 17 90.0 59.6 107 46
August 18 89.9 59.6 106 46
August 19 89.9 59.6 109 46
August 20 89.9 59.6 104 47
August 21 89.9 59.6 101 45
August 22 89.9 59.6 102 46
August 23 89.9 59.6 108 45
August 24 89.9 59.5 109 48
August 25 89.9 59.5 107 47
August 26 89.8 59.4 106 47
August 27 89.6 59.3 107 46
August 28 89.4 59.2 106 43
August 29 89.2 59.1 105 45
August 30 89.0 59.0 103 45
August 31 88.8 58.9 103 45
Weather Station Details
Years Station Coordinates
1956–2021 Antioch Pumping Plant #3 location
1915–1955 Antioch Fireboard Mills location