Weather on March 15
Fairfield, CA
55 Years of Data
Avg High
67°F
Avg Low
45°F
Warmest
2004
69°F avg
Coldest
2018
46°F avg
About This Date
March 15th in Fairfield, CA typically brings mild spring weather, with average highs around 67°F and lows near 45°F. Over 56 years of records, the warmest March 15th was in 2004 (69°F average), while the coldest was 2018 (46°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 34% of March 15th dates historically, with the wettest March 15th recording 2.59" of rain. The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for March 15th in Fairfield, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 49° | 66° | — | — |
| 2025 | 61° | 44° | 52° | — | — |
| 2024 | 73° | 56° | 64° | — | — |
| 2023 | 64° | — | — | — | — |
| 2022 | 69° | 55° | 62° | 0.25" | — |
| 2021 | 53° | 40° | 46° | 0.56" | — |
| 2020 | 54° | 44° | 49° | 1.3" | — |
| 2019 | 67° | 40° | 53° | — | — |
| 2018coldest | 56° | 37° | 46° | 0.86" | — |
| 2017 | 74° | 51° | 62° | — | — |
| 2016 | 67° | 45° | 56° | — | — |
| 2015 | — | 58° | — | — | — |
| 2014 | 74° | 47° | 60° | — | — |
| 2013 | 75° | 48° | 62° | — | — |
| 2012 | 60° | 53° | 57° | 0.38" | — |
| 2011 | 63° | 53° | 58° | 0.1" | — |
| 2010 | 63° | 39° | 51° | — | — |
| 2009 | 66° | 52° | 59° | 0.13" | — |
| 2008 | 59° | 39° | 49° | 0.15" | — |
| 2007 | 74° | 46° | 60° | — | — |
| 2006 | 60° | 43° | 51° | — | — |
| 2005 | 71° | 49° | 60° | — | — |
| 2004warmest | 85° | 53° | 69° | — | — |
| 2003 | 70° | 52° | 61° | 2.59" | — |
| 2002 | 60° | 36° | 48° | — | — |
| 2001 | 74° | 45° | 59° | — | — |
| 2000 | 76° | 49° | 62° | — | — |
| 1999 | 53° | 44° | 49° | 0.76" | — |
| 1998 | 74° | 49° | 61° | — | — |
| 1997 | 77° | 46° | 62° | — | — |
| 1996 | 74° | 45° | 59° | — | — |
| 1995 | 68° | 44° | 56° | 1.63" | — |
| 1994 | 68° | 48° | 58° | — | — |
| 1993 | 67° | 54° | 60° | — | — |
| 1992 | 62° | 48° | 55° | 0.61" | — |
| 1991 | 61° | 40° | 50° | 0.08" | — |
| 1990 | 73° | 43° | 58° | — | — |
| 1989 | 66° | 40° | 53° | — | — |
| 1988 | 58° | 45° | 51° | — | — |
| 1987 | 56° | 41° | 48° | — | — |
| 1986 | 61° | 38° | 49° | 2.41" | — |
| 1985 | 74° | 41° | 57° | — | — |
| 1984 | 65° | 50° | 57° | 0.58" | — |
| 1983 | 69° | 39° | 54° | — | — |
| 1982 | 61° | 40° | 50° | 0.05" | — |
| 1981 | 65° | 44° | 54° | 0.36" | — |
| 1980 | 61° | 37° | 49° | — | — |
| 1979 | 58° | 49° | 53° | 0.2" | — |
| 1978 | 68° | 42° | 55° | — | — |
| 1977 | 56° | 39° | 47° | — | — |
| 1976 | 73° | 41° | 57° | — | — |
| 1975 | 60° | 39° | 50° | — | — |
| 1974 | 73° | 47° | 60° | — | — |
| 1973 | 63° | 37° | 50° | — | — |
| 1972 | 80° | 47° | 63° | — | — |
| 1971 | 63° | 40° | 51° | 0.1" | — |
56 years of data from FAIRFIELD