Weather on October 15
Antioch, CA
55 Years of Data
Avg High
78°F
Avg Low
54°F
Warmest
2020
80°F avg
Coldest
2025
52°F avg
About This Date
October 15th in Antioch, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 54°F. Over 53 years of records, the warmest October 15th was in 2020 (80°F average), while the coldest was 2025 (52°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 15th dates historically, with the wettest October 15th recording 1.14" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for October 15th in Antioch, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 55° | 48° | 52° | — | — |
| 2024 | 76° | 60° | 68° | — | — |
| 2023 | 78° | 59° | 69° | — | — |
| 2022 | 70° | 51° | 60° | — | — |
| 2021 | 75° | 58° | 66° | — | — |
| 2020warmest | 90° | 70° | 80° | — | — |
| 2019 | 82° | 48° | 65° | — | — |
| 2018 | 75° | 54° | 64° | — | — |
| 2017 | 70° | 58° | 64° | — | — |
| 2016 | 76° | 56° | 66° | — | — |
| 2015 | 84° | 64° | 74° | — | — |
| 2014 | 71° | 61° | 66° | — | — |
| 2013 | 79° | 54° | 66° | — | — |
| 2012 | 79° | 60° | 69° | — | — |
| 2011 | 90° | 69° | 79° | — | — |
| 2010 | 90° | 56° | 73° | — | — |
| 2009 | 71° | 58° | 64° | — | — |
| 2008 | 80° | 51° | 66° | — | — |
| 2007 | 72° | 52° | 62° | — | — |
| 2006 | 64° | 50° | 57° | — | — |
| 2005 | 71° | 54° | 62° | — | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003 | 82° | 48° | 65° | — | — |
| 2002 | 85° | 50° | 67° | — | — |
| 2001 | 85° | 56° | 70° | — | — |
| 2000 | 76° | 48° | 62° | — | — |
| 1999 | 85° | 61° | 73° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 79° | 52° | 65° | — | — |
| 1996 | 81° | 55° | 68° | — | — |
| 1995 | 85° | 55° | 70° | — | — |
| 1994 | 75° | 54° | 64° | — | — |
| 1993 | 75° | 57° | 66° | 0.43" | — |
| 1992 | 76° | 50° | 63° | — | — |
| 1991 | 93° | 60° | 77° | — | — |
| 1990 | 85° | 53° | 69° | — | — |
| 1989 | 75° | 50° | 63° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 82° | 42° | 62° | — | — |
| 1984 | 74° | 52° | 63° | — | — |
| 1983 | 75° | 45° | 60° | — | — |
| 1982 | 84° | 48° | 66° | — | — |
| 1981 | 71° | 45° | 58° | — | — |
| 1980 | 67° | 52° | 59° | — | — |
| 1979 | 76° | 60° | 68° | — | — |
| 1978 | 92° | 53° | 72° | — | — |
| 1977 | 90° | 56° | 73° | — | — |
| 1976 | 84° | 47° | 65° | — | — |
| 1975 | 78° | 46° | 62° | — | — |
| 1974 | 86° | 49° | 67° | — | — |
| 1973 | 84° | 57° | 71° | — | — |
| 1972 | 65° | 53° | 59° | 1.14" | — |
| 1971 | 78° | 52° | 65° | — | — |
53 years of data from ANTIOCH FIBREBRD MILLS