Weather on October 15
Vallejo, CA
55 Years of Data
Avg High
77°F
Avg Low
50°F
Warmest
2020
81°F avg
Coldest
2002
56°F avg
About This Date
October 15th in Vallejo, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 50°F — a 27°F daily swing. Over 55 years of records, the warmest October 15th was in 2020 (81°F average), while the coldest was 2002 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 15th dates historically, with the wettest October 15th recording 1.37" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Vallejo, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 52° | 57° | 0.64" | — |
| 2024 | 81° | 56° | 68° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022 | 73° | 56° | 64° | — | — |
| 2021 | 80° | 52° | 66° | — | — |
| 2020warmest | 93° | 68° | 81° | — | — |
| 2019 | 76° | 47° | 61° | — | — |
| 2018 | 83° | 56° | 69° | — | — |
| 2017 | 80° | 56° | 68° | — | — |
| 2016 | 69° | 55° | 62° | 0.05" | — |
| 2015 | 86° | 59° | 73° | — | — |
| 2014 | 70° | 51° | 60° | 0.38" | — |
| 2013 | 84° | 37° | 61° | — | — |
| 2012 | 81° | 50° | 65° | — | — |
| 2011 | 74° | 53° | 63° | — | — |
| 2010 | 77° | 49° | 63° | — | — |
| 2009 | 74° | 56° | 65° | 0.05" | — |
| 2008 | 84° | 41° | 63° | — | — |
| 2007 | 64° | 51° | 58° | — | — |
| 2006 | 60° | 53° | 57° | — | — |
| 2005 | 75° | — | — | — | — |
| 2004 | 77° | 51° | 64° | — | — |
| 2003 | 73° | 47° | 60° | — | — |
| 2002coldest | 68° | 44° | 56° | — | — |
| 2001 | 93° | 50° | 72° | — | — |
| 2000 | 70° | 46° | 58° | — | — |
| 1999 | 84° | 50° | 67° | — | — |
| 1998 | 74° | 44° | 59° | — | — |
| 1997 | 85° | 49° | 67° | — | — |
| 1996 | 81° | 53° | 67° | — | — |
| 1995 | 73° | 52° | 62° | — | — |
| 1994 | 75° | 52° | 63° | — | — |
| 1993 | 70° | 57° | 63° | 0.25" | — |
| 1992 | 72° | 47° | 59° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 80° | 48° | 64° | — | — |
| 1989 | 72° | 45° | 58° | — | — |
| 1988 | 85° | 49° | 67° | — | — |
| 1987 | 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 | 80° | 52° | 66° | — | — |
| 1975 | 75° | 49° | 62° | — | — |
| 1974 | 85° | 49° | 67° | — | — |
| 1973 | 83° | 50° | 66° | — | — |
| 1972 | 63° | 56° | 59° | 1.37" | — |
| 1971 | 78° | 50° | 64° | — | — |
55 years of data from VALLEJO