Weather on August 23
Antioch, CA
55 Years of Data
Avg High
87°F
Avg Low
59°F
Warmest
1974
81°F avg
Coldest
2024
59°F avg
About This Date
August 23rd in Antioch, CA typically brings warm summer weather, with average highs around 87°F and lows near 59°F — a 28°F daily swing. Over 54 years of records, the warmest August 23rd was in 1974 (81°F average), while the coldest was 2024 (59°F) — a 22°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.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 23rd in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 68° | 78° | — | — |
| 2024coldest | 66° | 52° | 59° | — | — |
| 2023 | 90° | 68° | 79° | — | — |
| 2022 | 90° | 69° | 79° | — | — |
| 2021 | 83° | 57° | 70° | — | — |
| 2020 | 90° | 64° | 77° | — | — |
| 2019 | 90° | 64° | 77° | — | — |
| 2018 | 79° | 58° | 68° | — | — |
| 2017 | 81° | 67° | 74° | — | — |
| 2016 | 83° | 58° | 70° | — | — |
| 2015 | 87° | 59° | 73° | — | — |
| 2014 | 85° | 54° | 69° | — | — |
| 2013 | 88° | 55° | 71° | — | — |
| 2012 | 82° | 66° | 74° | — | — |
| 2011 | 97° | 59° | 78° | — | — |
| 2010 | 83° | 66° | 74° | — | — |
| 2009 | 84° | 52° | 68° | — | — |
| 2008 | 89° | 59° | 74° | — | — |
| 2007 | 94° | 60° | 77° | — | — |
| 2006 | 89° | 56° | 72° | — | — |
| 2005 | 91° | 66° | 79° | — | — |
| 2004 | 86° | 62° | 74° | — | — |
| 2003 | 92° | 60° | 76° | — | — |
| 2002 | 79° | 52° | 65° | — | — |
| 2001 | 74° | 55° | 64° | — | — |
| 2000 | 84° | 57° | 71° | — | — |
| 1999 | 94° | 64° | 79° | — | — |
| 1998 | 90° | 57° | 73° | — | — |
| 1997 | 84° | 61° | 72° | — | — |
| 1996 | 93° | 59° | 76° | — | — |
| 1995 | 96° | 64° | 80° | — | — |
| 1994 | 86° | 55° | 71° | — | — |
| 1993 | 97° | 64° | 80° | — | — |
| 1992 | 88° | 57° | 72° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 94° | 60° | 77° | — | — |
| 1988 | 87° | 61° | 74° | — | — |
| 1987 | 79° | 56° | 67° | — | — |
| 1986 | 89° | 52° | 70° | — | — |
| 1985 | 88° | 51° | 69° | — | — |
| 1984 | 92° | 51° | 71° | — | — |
| 1983 | 82° | 52° | 67° | — | — |
| 1982 | 98° | 57° | 78° | — | — |
| 1981 | 91° | 52° | 71° | — | — |
| 1980 | 82° | 51° | 67° | — | — |
| 1979 | 85° | 54° | 69° | — | — |
| 1978 | 80° | 56° | 68° | — | — |
| 1977 | 98° | 54° | 76° | — | — |
| 1976 | 78° | 55° | 67° | — | — |
| 1975 | 92° | 56° | 74° | — | — |
| 1974warmest | 96° | 66° | 81° | — | — |
| 1973 | 80° | 56° | 68° | — | — |
| 1972 | 92° | 64° | 78° | — | — |
| 1971 | 88° | 60° | 74° | — | — |
54 years of data from ANTIOCH FIBREBRD MILLS