Weather on March 31
Antioch, CA
55 Years of Data
Avg High
68°F
Avg Low
46°F
Warmest
2001
67°F avg
Coldest
1982
44°F avg
About This Date
March 31st in Antioch, CA typically brings mild spring weather, with average highs around 68°F and lows near 46°F. Over 56 years of records, the warmest March 31st was in 2001 (67°F average), while the coldest was 1982 (44°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 31st dates historically, with the wettest March 31st recording 2.79" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for March 31st in Antioch, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 52° | 57° | — | — |
| 2025 | 53° | 42° | 48° | — | — |
| 2024 | 58° | 47° | 52° | — | — |
| 2023 | 56° | 40° | 48° | — | — |
| 2022 | 64° | 45° | 54° | — | — |
| 2021 | 80° | 49° | 64° | — | — |
| 2020 | 60° | 46° | 53° | — | — |
| 2019 | 73° | 47° | 60° | — | — |
| 2018 | 72° | 59° | 65° | — | — |
| 2017 | 68° | 53° | 61° | — | — |
| 2016 | 74° | 46° | 60° | — | — |
| 2015 | 72° | 55° | 63° | — | — |
| 2014 | 59° | 44° | 52° | 0.86" | — |
| 2013 | 69° | 55° | 62° | 0.23" | — |
| 2012 | 61° | 44° | 52° | — | — |
| 2011 | 85° | 44° | 64° | — | — |
| 2010 | 50° | 37° | 44° | — | — |
| 2009 | 67° | 49° | 58° | — | — |
| 2008 | 62° | 42° | 52° | — | — |
| 2007 | 80° | 50° | 65° | — | — |
| 2006 | 63° | 43° | 53° | 0.51" | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 59° | 42° | 51° | — | — |
| 2003 | 77° | 52° | 64° | — | — |
| 2002 | 79° | 50° | 64° | — | — |
| 2001warmest | 75° | 59° | 67° | — | — |
| 2000 | 74° | 52° | 63° | — | — |
| 1999 | 60° | 40° | 50° | — | — |
| 1998 | 67° | 46° | 56° | 0.36" | — |
| 1997 | 67° | 45° | 56° | — | — |
| 1996 | 69° | 45° | 57° | — | — |
| 1995 | 69° | 46° | 58° | — | — |
| 1994 | 70° | 48° | 59° | — | — |
| 1993 | 68° | 43° | 55° | 0.08" | — |
| 1992 | 65° | 45° | 55° | — | — |
| 1991 | 74° | 43° | 58° | — | — |
| 1990 | 73° | 43° | 58° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 69° | 49° | 59° | — | — |
| 1987 | 74° | 53° | 63° | — | — |
| 1986 | 66° | 49° | 57° | — | — |
| 1985 | 71° | 43° | 57° | — | — |
| 1984 | 71° | 38° | 54° | 0.03" | — |
| 1983 | 73° | 50° | 62° | — | — |
| 1982coldest | 56° | 32° | 44° | 2.79" | — |
| 1981 | 65° | 38° | 51° | — | — |
| 1980 | 67° | 48° | 57° | — | — |
| 1979 | 63° | 39° | 51° | — | — |
| 1978 | 70° | 56° | 63° | 0.81" | — |
| 1977 | 63° | 32° | 47° | — | — |
| 1976 | 80° | 42° | 61° | — | — |
| 1975 | 74° | 47° | 60° | — | — |
| 1974 | 62° | 46° | 54° | — | — |
| 1973 | 57° | 47° | 52° | 0.33" | — |
| 1972 | 75° | 40° | 57° | — | — |
| 1971 | 65° | 42° | 53° | — | — |
56 years of data from ANTIOCH FIBREBRD MILLS