Weather on March 15
Antioch, CA
55 Years of Data
Avg High
65°F
Avg Low
46°F
Warmest
2004
70°F avg
Coldest
2018
43°F avg
About This Date
March 15th in Antioch, CA typically brings mild spring weather, with average highs around 65°F and lows near 46°F. Over 56 years of records, the warmest March 15th was in 2004 (70°F average), while the coldest was 2018 (43°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 15th dates historically, with the wettest March 15th recording 1.57" of rain. The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
Planning for March 15th in Antioch, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 61° | 66° | — | — |
| 2025 | 52° | 42° | 47° | — | — |
| 2024 | 67° | 46° | 56° | — | — |
| 2023 | 57° | 38° | 47° | — | — |
| 2022 | 61° | 47° | 54° | — | — |
| 2021 | 52° | 43° | 47° | — | — |
| 2020 | 56° | 45° | 50° | 0.33" | — |
| 2019 | 68° | 41° | 55° | — | — |
| 2018coldest | 48° | 38° | 43° | — | — |
| 2017 | 69° | 54° | 61° | — | — |
| 2016 | 66° | 47° | 56° | — | — |
| 2015 | 83° | 56° | 69° | — | — |
| 2014 | 79° | 54° | 66° | — | — |
| 2013 | 76° | 56° | 66° | — | — |
| 2012 | 69° | 56° | 62° | — | — |
| 2011 | 70° | 42° | 56° | — | — |
| 2010 | 60° | 50° | 55° | — | — |
| 2009 | 54° | 44° | 49° | — | — |
| 2008 | 58° | 41° | 49° | — | — |
| 2007 | 79° | 50° | 64° | — | — |
| 2006 | 58° | 40° | 49° | — | — |
| 2005 | 71° | 42° | 57° | — | — |
| 2004warmest | 78° | 62° | 70° | — | — |
| 2003 | 54° | 44° | 49° | 0.08" | — |
| 2002 | 76° | 63° | 69° | — | — |
| 2001 | 55° | 45° | 50° | — | — |
| 2000 | 69° | 57° | 63° | — | — |
| 1999 | 64° | 46° | 55° | 0.03" | — |
| 1998 | 71° | 48° | 60° | — | — |
| 1997 | 72° | 42° | 57° | — | — |
| 1996 | 71° | 44° | 58° | — | — |
| 1995 | 66° | 45° | 55° | 0.08" | — |
| 1994 | 68° | 52° | 60° | — | — |
| 1993 | 70° | 51° | 60° | — | — |
| 1992 | 61° | 47° | 54° | 0.28" | — |
| 1991 | 59° | 39° | 49° | 0.33" | — |
| 1990 | 58° | 41° | 49° | — | — |
| 1989 | 62° | 41° | 52° | — | — |
| 1988 | 69° | 41° | 55° | — | — |
| 1987 | 56° | 43° | 49° | 0.38" | — |
| 1986 | 60° | 46° | 53° | 1.57" | — |
| 1985 | 71° | 39° | 55° | — | — |
| 1984 | 65° | 48° | 56° | 0.48" | — |
| 1983 | 63° | 44° | 53° | — | — |
| 1982 | 59° | 38° | 48° | — | — |
| 1981 | 62° | 42° | 52° | 0.13" | — |
| 1980 | 62° | 43° | 52° | — | — |
| 1979 | 62° | 51° | 57° | — | — |
| 1978 | 68° | 39° | 54° | — | — |
| 1977 | 60° | 40° | 50° | — | — |
| 1976 | 73° | 41° | 57° | — | — |
| 1975 | 59° | 38° | 48° | — | — |
| 1974 | 72° | 48° | 60° | — | — |
| 1973 | 67° | 40° | 53° | — | — |
| 1972 | 78° | 44° | 61° | — | — |
| 1971 | 48° | 43° | 45° | 0.56" | — |
56 years of data from ANTIOCH FIBREBRD MILLS