Weather on October 9
Antioch, CA
55 Years of Data
Avg High
79°F
Avg Low
55°F
Warmest
1996
81°F avg
Coldest
2021
57°F avg
About This Date
October 9th in Antioch, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 55°F. Over 54 years of records, the warmest October 9th was in 1996 (81°F average), while the coldest was 2021 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 6% of October 9th dates historically, with the wettest October 9th recording 0.99" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for October 9th in Antioch, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 55° | 61° | — | — |
| 2024 | 78° | 67° | 72° | — | — |
| 2023 | 64° | 51° | 58° | — | — |
| 2022 | 86° | 70° | 78° | — | — |
| 2021coldest | 67° | 48° | 57° | — | — |
| 2020 | 73° | 53° | 63° | — | — |
| 2019 | 75° | 57° | 66° | — | — |
| 2018 | 75° | 52° | 63° | — | — |
| 2017 | 75° | 57° | 66° | — | — |
| 2016 | 88° | 53° | 70° | — | — |
| 2015 | 89° | 64° | 77° | — | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 72° | 58° | 65° | — | — |
| 2012 | 68° | 53° | 61° | — | — |
| 2011 | 81° | 52° | 66° | — | — |
| 2010 | 82° | 58° | 70° | — | — |
| 2009 | 76° | 48° | 62° | — | — |
| 2008 | 73° | 52° | 62° | — | — |
| 2007 | 68° | 52° | 60° | — | — |
| 2006 | 82° | 55° | 69° | — | — |
| 2005 | 80° | 51° | 66° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003 | 78° | 57° | 68° | — | — |
| 2002 | 82° | 58° | 70° | — | — |
| 2001 | 78° | 55° | 67° | — | — |
| 2000 | 68° | 57° | 63° | 0.05" | — |
| 1999 | 88° | 54° | 71° | — | — |
| 1998 | 75° | 52° | 63° | — | — |
| 1997 | 69° | 55° | 62° | 0.99" | — |
| 1996warmest | 97° | 65° | 81° | — | — |
| 1995 | 79° | 51° | 65° | — | — |
| 1994 | 83° | 56° | 69° | — | — |
| 1993 | 82° | 60° | 71° | — | — |
| 1992 | 89° | 61° | 75° | — | — |
| 1991 | 90° | 56° | 73° | — | — |
| 1989 | 85° | 58° | 71° | — | — |
| 1988 | 85° | 57° | 71° | — | — |
| 1987 | 81° | 51° | 66° | — | — |
| 1986 | 81° | 54° | 67° | — | — |
| 1985 | 72° | 51° | 61° | — | — |
| 1984 | 83° | 55° | 69° | — | — |
| 1983 | 78° | 54° | 66° | — | — |
| 1982 | 79° | 46° | 62° | — | — |
| 1981 | 73° | 47° | 60° | — | — |
| 1980 | 94° | 52° | 73° | — | — |
| 1979 | 76° | 55° | 65° | — | — |
| 1978 | 87° | 48° | 68° | — | — |
| 1977 | 85° | 47° | 66° | — | — |
| 1976 | 89° | 54° | 71° | — | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974 | 74° | 56° | 65° | — | — |
| 1973 | 63° | 53° | 58° | 0.18" | — |
| 1972 | 72° | 59° | 65° | — | — |
| 1971 | 83° | 55° | 69° | — | — |
54 years of data from ANTIOCH FIBREBRD MILLS