Weather on April 21
Berkeley, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2009
78°F avg
Coldest
2001
44°F avg
About This Date
April 21st in Berkeley, CA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 55 years of records, the warmest April 21st was in 2009 (78°F average), while the coldest was 2001 (44°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 21st dates historically, with the wettest April 21st recording 0.91" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Berkeley, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 51° | 62° | — | — |
| 2024 | 74° | 52° | 63° | — | — |
| 2023 | 75° | 51° | 63° | — | — |
| 2022 | 70° | 42° | 56° | — | — |
| 2021 | 57° | 50° | 54° | — | — |
| 2020 | 63° | 48° | 55° | — | — |
| 2019 | 66° | 44° | 55° | — | — |
| 2018 | 68° | 47° | 57° | — | — |
| 2017 | 69° | 48° | 59° | — | — |
| 2016 | 73° | 55° | 64° | 0.1" | — |
| 2015 | 63° | 50° | 56° | — | — |
| 2014 | 78° | 48° | 63° | — | — |
| 2013 | 76° | 47° | 61° | — | — |
| 2012 | 83° | 55° | 69° | — | — |
| 2011 | 63° | 44° | 53° | 0.43" | — |
| 2010 | 60° | 44° | 52° | 0.23" | — |
| 2009warmest | 94° | 63° | 78° | — | — |
| 2008 | 59° | 36° | 47° | — | — |
| 2007 | 64° | 45° | 54° | 0.91" | — |
| 2006 | 68° | 49° | 58° | — | — |
| 2005 | 64° | 46° | 55° | — | — |
| 2004 | 64° | 50° | 57° | 0.13" | — |
| 2003 | 64° | 47° | 55° | 0.03" | — |
| 2002 | 64° | 43° | 53° | — | — |
| 2001coldest | 52° | 37° | 44° | — | — |
| 2000 | 70° | 47° | 58° | — | — |
| 1999 | 68° | 46° | 57° | — | — |
| 1998 | 69° | 50° | 60° | — | — |
| 1997 | 68° | 54° | 61° | — | — |
| 1996 | 62° | 46° | 54° | — | — |
| 1995 | 67° | 44° | 55° | — | — |
| 1994 | 64° | 52° | 58° | — | — |
| 1993 | 66° | 56° | 61° | — | — |
| 1992 | 67° | 53° | 60° | — | — |
| 1991 | 67° | 55° | 61° | 0.58" | — |
| 1990 | 59° | 52° | 55° | — | — |
| 1989 | 60° | 54° | 57° | 0.33" | — |
| 1988 | 61° | 48° | 54° | — | — |
| 1987 | 86° | 56° | 71° | — | — |
| 1986 | 70° | 52° | 61° | — | — |
| 1985 | 57° | 45° | 51° | 0.15" | — |
| 1984 | 71° | 48° | 60° | — | — |
| 1983 | 59° | 50° | 55° | — | — |
| 1982 | 78° | 61° | 69° | — | — |
| 1981 | 71° | 50° | 61° | — | — |
| 1980 | 57° | 45° | 51° | — | — |
| 1979 | 66° | 52° | 59° | — | — |
| 1978 | 62° | 44° | 53° | — | — |
| 1977 | 62° | 42° | 52° | — | — |
| 1976 | 60° | 48° | 54° | — | — |
| 1975 | 58° | 47° | 52° | — | — |
| 1974 | 59° | 50° | 55° | — | — |
| 1973 | 75° | 56° | 65° | — | — |
| 1972 | 67° | 49° | 58° | — | — |
| 1971 | 57° | 39° | 48° | — | — |
55 years of data from BERKELEY