Weather on August 23
Fairfield, CA
55 Years of Data
Avg High
89°F
Avg Low
57°F
Warmest
1999
82°F avg
Coldest
1973
63°F avg
About This Date
August 23rd in Fairfield, CA typically brings warm summer weather, with average highs around 89°F and lows near 57°F — a 32°F daily swing. Over 55 years of records, the warmest August 23rd was in 1999 (82°F average), while the coldest was 1973 (63°F) — a 19°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 Fairfield, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 62° | 79° | — | — |
| 2024 | 76° | 58° | 67° | — | — |
| 2023 | 96° | 63° | 79° | — | — |
| 2022 | 97° | 60° | 78° | — | — |
| 2021 | 79° | 56° | 67° | — | — |
| 2020 | — | 62° | — | — | — |
| 2019 | 91° | 64° | 78° | — | — |
| 2018 | 80° | 56° | 68° | — | — |
| 2017 | 90° | 60° | 75° | — | — |
| 2016 | 83° | 56° | 69° | — | — |
| 2015 | 86° | 58° | 72° | — | — |
| 2014 | 86° | 55° | 71° | — | — |
| 2013 | 92° | 52° | 72° | — | — |
| 2012 | 88° | 54° | 71° | — | — |
| 2011 | 96° | 49° | 72° | — | — |
| 2010 | 87° | 56° | 71° | — | — |
| 2009 | 88° | 54° | 71° | — | — |
| 2008 | 91° | 58° | 74° | — | — |
| 2007 | 98° | 60° | 79° | — | — |
| 2006 | 94° | 54° | 74° | — | — |
| 2005 | 93° | 55° | 74° | — | — |
| 2004 | 77° | 61° | 69° | — | — |
| 2003 | 91° | 59° | 75° | — | — |
| 2002 | 84° | 58° | 71° | — | — |
| 2001 | 86° | 58° | 72° | — | — |
| 2000 | 87° | 54° | 70° | — | — |
| 1999warmest | 103° | 62° | 82° | — | — |
| 1998 | 94° | 56° | 75° | — | — |
| 1997 | 85° | 61° | 73° | — | — |
| 1996 | 96° | 57° | 77° | — | — |
| 1995 | 92° | 62° | 77° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 95° | 64° | 80° | — | — |
| 1992 | 92° | 55° | 73° | — | — |
| 1991 | 92° | 54° | 73° | — | — |
| 1990 | 90° | 61° | 75° | — | — |
| 1989 | 82° | 57° | 70° | — | — |
| 1988 | 90° | 57° | 73° | — | — |
| 1987 | 81° | 54° | 67° | — | — |
| 1986 | 87° | 45° | 66° | — | — |
| 1985 | 97° | 46° | 71° | — | — |
| 1984 | 92° | 52° | 72° | — | — |
| 1983 | — | 57° | — | — | — |
| 1982 | 104° | 57° | 81° | — | — |
| 1981 | 91° | 55° | 73° | — | — |
| 1980 | 75° | 51° | 63° | — | — |
| 1979 | 88° | 56° | 72° | — | — |
| 1978 | 79° | 52° | 65° | — | — |
| 1977 | 94° | 58° | 76° | — | — |
| 1976 | 79° | 57° | 68° | — | — |
| 1975 | 90° | 56° | 73° | — | — |
| 1974 | 96° | 61° | 78° | — | — |
| 1973coldest | 76° | 51° | 63° | — | — |
| 1972 | 89° | 62° | 76° | — | — |
| 1971 | 95° | 57° | 76° | — | — |
55 years of data from FAIRFIELD