Weather on August 13
Concord, CA
55 Years of Data
Avg High
88°F
Avg Low
58°F
Warmest
1998
83°F avg
Coldest
1987
62°F avg
About This Date
August 13th in Concord, CA typically brings warm summer weather, with average highs around 88°F and lows near 58°F — a 30°F daily swing. Over 55 years of records, the warmest August 13th was in 1998 (83°F average), while the coldest was 1987 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 13th dates historically. 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 13th in Concord, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 61° | 71° | — | — |
| 2024 | 89° | 59° | 74° | — | — |
| 2023 | 97° | 62° | 79° | — | — |
| 2022 | 94° | 60° | 77° | — | — |
| 2021 | 86° | 63° | 74° | — | — |
| 2020 | 101° | 60° | 80° | — | — |
| 2019 | 100° | 63° | 81° | — | — |
| 2018 | 87° | 60° | 74° | — | — |
| 2017 | 84° | 64° | 74° | — | — |
| 2016 | 98° | 57° | 78° | — | — |
| 2015 | 86° | 63° | 74° | — | — |
| 2014 | 84° | 57° | 71° | — | — |
| 2013 | 93° | 54° | 73° | — | — |
| 2012 | 98° | 58° | 78° | — | — |
| 2011 | 92° | 55° | 73° | — | — |
| 2010 | 82° | 54° | 68° | — | — |
| 2009 | 92° | 66° | 79° | — | — |
| 2008 | 100° | 59° | 80° | — | — |
| 2007 | 90° | 57° | 73° | — | — |
| 2006 | 85° | 57° | 71° | — | — |
| 2005 | 77° | 56° | 66° | — | — |
| 2004 | 84° | 59° | 72° | — | — |
| 2003 | 90° | 58° | 74° | — | — |
| 2002 | 91° | 57° | 74° | — | — |
| 2001 | 78° | 54° | 66° | — | — |
| 2000 | 94° | 59° | 76° | — | — |
| 1999 | 80° | 56° | 68° | — | — |
| 1998warmest | 101° | 65° | 83° | — | — |
| 1997 | 86° | 63° | 74° | — | — |
| 1996 | 101° | 64° | 82° | — | — |
| 1995 | 97° | 62° | 79° | — | — |
| 1994 | 95° | 59° | 77° | — | — |
| 1993 | 84° | 59° | 72° | — | — |
| 1992 | 89° | 61° | 75° | — | — |
| 1991 | 95° | 58° | 76° | 0.13" | — |
| 1990 | 92° | 56° | 74° | — | — |
| 1989 | 98° | 52° | 75° | — | — |
| 1988 | 79° | 53° | 66° | — | — |
| 1987coldest | 73° | 51° | 62° | — | — |
| 1986 | 87° | 50° | 69° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 93° | 63° | 78° | — | — |
| 1983 | 93° | 57° | 75° | — | — |
| 1982 | 78° | 56° | 67° | — | — |
| 1981 | 77° | 50° | 64° | — | — |
| 1980 | 78° | 59° | 69° | — | — |
| 1979 | 80° | 55° | 68° | — | — |
| 1978 | 85° | 52° | 68° | — | — |
| 1977 | 83° | 55° | 69° | — | — |
| 1976 | 83° | 54° | 68° | — | — |
| 1975 | 80° | 58° | 69° | — | — |
| 1974 | 80° | 55° | 68° | — | — |
| 1973 | 95° | 53° | 74° | — | — |
| 1972 | 92° | 54° | 73° | — | — |
| 1971 | 78° | 55° | 67° | — | — |
55 years of data from CONCORD BUCHANAN FLD