Weather on August 22
Antioch, CA
55 Years of Data
Avg High
86°F
Avg Low
58°F
Warmest
2025
85°F avg
Coldest
2001
60°F avg
About This Date
August 22nd in Antioch, CA typically brings warm summer weather, with average highs around 86°F and lows near 58°F — a 28°F daily swing. Over 55 years of records, the warmest August 22nd was in 2025 (85°F average), while the coldest was 2001 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 22nd dates historically. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for August 22nd in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 93° | 77° | 85° | — | — |
| 2024 | 67° | 54° | 60° | — | — |
| 2023 | 83° | 59° | 71° | — | — |
| 2022 | 86° | 65° | 75° | — | — |
| 2021 | 84° | 55° | 70° | — | — |
| 2020 | 96° | 67° | 81° | — | — |
| 2019 | 96° | 71° | 84° | — | — |
| 2018 | 80° | 60° | 70° | — | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016 | 86° | 56° | 71° | — | — |
| 2015 | 85° | 58° | 71° | — | — |
| 2014 | 88° | 61° | 74° | — | — |
| 2013 | 83° | 57° | 70° | — | — |
| 2012 | 78° | 67° | 72° | — | — |
| 2011 | 91° | 56° | 73° | — | — |
| 2010 | 85° | 54° | 69° | — | — |
| 2009 | 91° | 56° | 73° | — | — |
| 2008 | 70° | 59° | 64° | — | — |
| 2007 | 94° | 61° | 77° | — | — |
| 2006 | 89° | 56° | 72° | — | — |
| 2005 | 86° | 65° | 75° | — | — |
| 2004 | 82° | 60° | 71° | — | — |
| 2003 | 76° | 59° | 67° | — | — |
| 2002 | 82° | 53° | 68° | — | — |
| 2001coldest | 67° | 53° | 60° | — | — |
| 2000 | 87° | 64° | 76° | — | — |
| 1999 | 100° | 62° | 81° | — | — |
| 1998 | 87° | 57° | 72° | — | — |
| 1997 | 88° | 61° | 74° | — | — |
| 1996 | 91° | 58° | 74° | — | — |
| 1995 | 94° | 63° | 78° | — | — |
| 1994 | 88° | 59° | 73° | — | — |
| 1993 | 93° | 61° | 77° | — | — |
| 1992 | 88° | 57° | 72° | — | — |
| 1991 | 88° | 53° | 70° | — | — |
| 1990 | 86° | 59° | 73° | — | — |
| 1989 | 81° | 58° | 69° | — | — |
| 1988 | 84° | 59° | 72° | — | — |
| 1987 | 83° | 59° | 71° | — | — |
| 1986 | 89° | 52° | 70° | — | — |
| 1985 | 86° | 50° | 68° | — | — |
| 1984 | 85° | 54° | 69° | — | — |
| 1983 | 83° | 57° | 70° | — | — |
| 1982 | 100° | 59° | 80° | — | — |
| 1981 | 92° | 52° | 72° | — | — |
| 1980 | 87° | 53° | 70° | — | — |
| 1979 | 82° | 53° | 68° | — | — |
| 1978 | 83° | 56° | 69° | — | — |
| 1977 | 94° | 54° | 74° | — | — |
| 1976 | 83° | 61° | 72° | 0.33" | — |
| 1975 | 85° | 57° | 71° | — | — |
| 1974 | 98° | 58° | 78° | — | — |
| 1973 | 85° | 50° | 67° | — | — |
| 1972 | 90° | 63° | 76° | — | — |
| 1971 | 84° | 58° | 71° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS