Weather on August 23
Antioch, CA
55 Years of Data
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° | — | — |
Antioch, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Antioch, CA Monthly Precipitation
Average rainfall per month, in inches.
Antioch, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Antioch, CA
Antioch, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.