Weather on April 21
Fairfield, CA
55 Years of Data
Avg High
73°F
Avg Low
48°F
Warmest
2009
75°F avg
Coldest
2001
46°F avg
About This Date
April 21st in Fairfield, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 48°F — a 25°F daily swing. Over 55 years of records, the warmest April 21st was in 2009 (75°F average), while the coldest was 2001 (46°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 18% of April 21st dates historically, with the wettest April 21st recording 0.89" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Fairfield, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 49° | 65° | — | — |
| 2024 | 83° | 54° | 68° | — | — |
| 2023 | 83° | 52° | 67° | — | — |
| 2022 | 65° | 51° | 58° | 0.43" | — |
| 2021 | 73° | 51° | 62° | — | — |
| 2020 | 75° | 45° | 60° | — | — |
| 2019 | 75° | 47° | 61° | — | — |
| 2018 | 81° | 48° | 64° | — | — |
| 2017 | 77° | 54° | 65° | — | — |
| 2016 | 71° | 54° | 62° | — | — |
| 2015 | 69° | 51° | 60° | — | — |
| 2014 | 74° | 52° | 63° | — | — |
| 2013 | 87° | 50° | 69° | — | — |
| 2012 | 88° | 57° | 72° | — | — |
| 2011 | 66° | 46° | 56° | 0.15" | — |
| 2010 | 66° | 46° | 56° | 0.05" | — |
| 2009warmest | 95° | 56° | 75° | — | — |
| 2008 | 62° | 35° | 49° | — | — |
| 2007 | 68° | 45° | 56° | — | — |
| 2006 | 72° | 47° | 59° | — | — |
| 2005 | 69° | 42° | 56° | — | — |
| 2004 | 68° | 53° | 61° | — | — |
| 2003 | 67° | 48° | 57° | — | — |
| 2002 | 78° | 42° | 60° | — | — |
| 2001coldest | 53° | 40° | 46° | 0.89" | — |
| 2000 | 77° | 51° | 64° | — | — |
| 1999 | 75° | 51° | 63° | — | — |
| 1998 | 80° | 52° | 66° | — | — |
| 1997 | 74° | 58° | 66° | — | — |
| 1996 | 65° | 43° | 54° | — | — |
| 1995 | 71° | 50° | 61° | — | — |
| 1994 | 72° | 50° | 61° | — | — |
| 1993 | 73° | 50° | 62° | — | — |
| 1992 | 71° | 48° | 60° | — | — |
| 1991 | 69° | 50° | 60° | 0.28" | — |
| 1990 | 69° | 52° | 60° | — | — |
| 1989 | 65° | 55° | 60° | 0.05" | — |
| 1988 | 64° | 47° | 55° | — | — |
| 1987 | 80° | 51° | 66° | — | — |
| 1986 | 87° | 45° | 66° | — | — |
| 1985 | 65° | 44° | 54° | 0.05" | — |
| 1984 | 70° | 52° | 61° | — | — |
| 1983 | 71° | 49° | 60° | 0.03" | — |
| 1982 | 77° | 57° | 67° | — | — |
| 1981 | 69° | 47° | 58° | — | — |
| 1980 | 71° | 41° | 56° | 0.1" | — |
| 1979 | 72° | 45° | 58° | — | — |
| 1978 | 62° | 40° | 51° | 0.05" | — |
| 1977 | 71° | 42° | 57° | — | — |
| 1976 | 79° | 49° | 64° | — | — |
| 1975 | 69° | 50° | 60° | — | — |
| 1974 | 74° | 44° | 59° | — | — |
| 1973 | 70° | 53° | 61° | — | — |
| 1972 | 71° | 45° | 58° | — | — |
| 1971 | 62° | 38° | 50° | — | — |
55 years of data from FAIRFIELD