Weather on August 23
Concord, CA
55 Years of Data
Avg High
87°F
Avg Low
57°F
Warmest
1993
80°F avg
Coldest
2002
63°F avg
About This Date
August 23rd in Concord, CA typically brings warm summer weather, with average highs around 87°F and lows near 57°F — a 30°F daily swing. Over 55 years of records, the warmest August 23rd was in 1993 (80°F average), while the coldest was 2002 (63°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Concord, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 59° | 76° | — | — |
| 2024 | 75° | 59° | 67° | — | — |
| 2023 | 96° | 64° | 80° | — | — |
| 2022 | 97° | 62° | 79° | — | — |
| 2021 | 78° | 57° | 68° | — | — |
| 2020 | 94° | 63° | 78° | — | — |
| 2019 | 91° | 64° | 78° | — | — |
| 2018 | 77° | 61° | 69° | — | — |
| 2017 | 87° | 60° | 74° | — | — |
| 2016 | 85° | 58° | 71° | — | — |
| 2015 | 81° | 61° | 71° | — | — |
| 2014 | 87° | 54° | 70° | — | — |
| 2013 | 84° | 57° | 71° | — | — |
| 2012 | 85° | 55° | 70° | — | — |
| 2011 | 96° | 57° | 77° | — | — |
| 2010 | 99° | 59° | 79° | — | — |
| 2009 | 81° | 56° | 68° | — | — |
| 2008 | 87° | 58° | 72° | — | — |
| 2007 | 91° | 59° | 75° | — | — |
| 2006 | 89° | 54° | 71° | — | — |
| 2005 | 94° | 55° | 74° | — | — |
| 2004 | 82° | 64° | 73° | — | — |
| 2003 | 87° | 58° | 72° | — | — |
| 2002coldest | 72° | 54° | 63° | — | — |
| 2001 | 82° | 58° | 70° | — | — |
| 2000 | 77° | 59° | 68° | — | — |
| 1999 | 91° | 60° | 76° | — | — |
| 1998 | 87° | 58° | 72° | — | — |
| 1997 | 81° | 62° | 71° | — | — |
| 1996 | 91° | 57° | 74° | — | — |
| 1995 | 93° | 62° | 78° | — | — |
| 1994 | 82° | 57° | 70° | — | — |
| 1993warmest | 96° | 64° | 80° | — | — |
| 1992 | 91° | 57° | 74° | — | — |
| 1991 | 89° | 49° | 69° | — | — |
| 1990 | 92° | 60° | 76° | — | — |
| 1989 | 83° | 55° | 69° | — | — |
| 1988 | 90° | 60° | 75° | — | — |
| 1987 | 86° | 49° | 67° | — | — |
| 1986 | 88° | 49° | 68° | — | — |
| 1985 | 91° | 53° | 72° | — | — |
| 1984 | 88° | 52° | 70° | — | — |
| 1983 | 85° | 51° | 68° | — | — |
| 1982 | 90° | 61° | 75° | — | — |
| 1981 | 79° | 53° | 66° | — | — |
| 1980 | 79° | 50° | 64° | — | — |
| 1979 | 86° | 64° | 75° | — | — |
| 1978 | 79° | 53° | 66° | — | — |
| 1977 | 92° | 56° | 74° | — | — |
| 1976 | 87° | 56° | 71° | — | — |
| 1975 | 92° | 52° | 72° | — | — |
| 1974 | 98° | 56° | 77° | — | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972 | 92° | 56° | 74° | — | — |
| 1971 | 96° | 53° | 75° | — | — |
55 years of data from CONCORD BUCHANAN FLD