Weather on October 15
Concord, CA
55 Years of Data
Avg High
78°F
Avg Low
51°F
Warmest
2020
78°F avg
Coldest
1987
58°F avg
About This Date
October 15th in Concord, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 55 years of records, the warmest October 15th was in 2020 (78°F average), while the coldest was 1987 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 15th dates historically, with the wettest October 15th recording 0.71" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Concord, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 51° | 58° | — | — |
| 2024 | 84° | 59° | 72° | — | — |
| 2023 | 83° | 56° | 69° | — | — |
| 2022 | 71° | 56° | 63° | — | — |
| 2021 | 82° | 47° | 64° | — | — |
| 2020warmest | 93° | 63° | 78° | — | — |
| 2019 | 79° | 45° | 62° | — | — |
| 2018 | 85° | 55° | 70° | — | — |
| 2017 | 82° | 46° | 64° | — | — |
| 2016 | 74° | 54° | 64° | 0.71" | — |
| 2015 | 85° | 63° | 74° | — | — |
| 2014 | 71° | 57° | 64° | 0.08" | — |
| 2013 | 80° | 45° | 62° | — | — |
| 2012 | 83° | 53° | 68° | — | — |
| 2011 | 79° | 58° | 68° | — | — |
| 2010 | 89° | 57° | 73° | — | — |
| 2009 | 76° | 63° | 69° | — | — |
| 2008 | 84° | 48° | 66° | — | — |
| 2007 | 69° | 52° | 60° | — | — |
| 2006 | 60° | 56° | 58° | — | — |
| 2005 | 70° | 50° | 60° | 0.13" | — |
| 2004 | 82° | 53° | 68° | — | — |
| 2003 | 78° | 46° | 62° | — | — |
| 2002 | 68° | 50° | 59° | — | — |
| 2001 | 86° | 54° | 70° | — | — |
| 2000 | 74° | 49° | 61° | — | — |
| 1999 | 85° | 51° | 68° | — | — |
| 1998 | 74° | 50° | 62° | — | — |
| 1997 | 83° | 52° | 67° | — | — |
| 1996 | 82° | 53° | 68° | — | — |
| 1995 | 86° | 57° | 72° | — | — |
| 1994 | 73° | 54° | 63° | — | — |
| 1993 | 69° | 59° | 64° | 0.36" | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1991 | 90° | 56° | 73° | — | — |
| 1990 | 80° | 48° | 64° | — | — |
| 1989 | 72° | 45° | 58° | — | — |
| 1988 | 85° | 49° | 67° | — | — |
| 1987coldest | 78° | 38° | 58° | — | — |
| 1986 | 81° | 42° | 61° | — | — |
| 1985 | 82° | 38° | 60° | — | — |
| 1984 | 72° | 50° | 61° | — | — |
| 1983 | 76° | 47° | 61° | — | — |
| 1982 | 75° | 53° | 64° | — | — |
| 1981 | 75° | 48° | 62° | — | — |
| 1980 | 72° | 50° | 61° | — | — |
| 1979 | 79° | 62° | 70° | 0.03" | — |
| 1978 | 78° | 52° | 65° | — | — |
| 1977 | 82° | 47° | 64° | — | — |
| 1976 | 83° | 48° | 65° | — | — |
| 1975 | 77° | 43° | 60° | — | — |
| 1974 | 84° | 46° | 65° | — | — |
| 1973 | 79° | 46° | 62° | — | — |
| 1972 | 71° | 56° | 63° | 0.33" | — |
| 1971 | 76° | 48° | 62° | — | — |
55 years of data from CONCORD BUCHANAN FLD