Weather on October 21
Berkeley, CA
55 Years of Data
Avg High
70°F
Avg Low
52°F
Warmest
2020
70°F avg
Coldest
1985
52°F avg
About This Date
October 21st in Berkeley, CA typically brings pleasant fall weather, with average highs around 70°F and lows near 52°F. Over 55 years of records, the warmest October 21st was in 2020 (70°F average), while the coldest was 1985 (52°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 21st dates historically, with the wettest October 21st recording 0.66" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Berkeley, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 57° | 65° | — | — |
| 2024 | 71° | 53° | 62° | — | — |
| 2023 | 70° | 55° | 62° | — | — |
| 2022 | 64° | 54° | 59° | — | — |
| 2021 | 68° | 61° | 64° | — | — |
| 2020warmest | 82° | 58° | 70° | — | — |
| 2019 | 85° | 54° | 69° | — | — |
| 2018 | 70° | 50° | 60° | — | — |
| 2017 | 65° | 46° | 55° | — | — |
| 2016 | 83° | 53° | 68° | — | — |
| 2015 | 78° | 54° | 66° | — | — |
| 2014 | 68° | 50° | 59° | — | — |
| 2013 | 68° | 47° | 57° | — | — |
| 2012 | 71° | 49° | 60° | — | — |
| 2011 | 69° | 50° | 60° | — | — |
| 2010 | 67° | 50° | 58° | — | — |
| 2009 | 68° | 51° | 60° | — | — |
| 2008 | 70° | 50° | 60° | — | — |
| 2007 | 67° | 48° | 57° | — | — |
| 2006 | 84° | 54° | 69° | — | — |
| 2005 | 68° | 49° | 58° | — | — |
| 2004 | 65° | 46° | 55° | — | — |
| 2003 | 81° | 53° | 67° | — | — |
| 2002 | 69° | 47° | 58° | — | — |
| 2001 | 63° | 51° | 57° | — | — |
| 2000 | 67° | 48° | 57° | — | — |
| 1999 | 83° | 53° | 68° | — | — |
| 1998 | 81° | 55° | 68° | — | — |
| 1997 | 64° | 52° | 58° | — | — |
| 1996 | 70° | 50° | 60° | — | — |
| 1995 | 68° | 54° | 61° | — | — |
| 1994 | 74° | 52° | 63° | — | — |
| 1993 | 68° | 58° | 63° | — | — |
| 1992 | 72° | 64° | 68° | — | — |
| 1991 | 68° | 60° | 64° | — | — |
| 1990 | 72° | 51° | 61° | — | — |
| 1989 | 62° | 57° | 60° | 0.66" | — |
| 1988 | 60° | 53° | 57° | — | — |
| 1987 | 69° | 54° | 61° | — | — |
| 1986 | 72° | 52° | 62° | — | — |
| 1985coldest | 58° | 47° | 52° | 0.41" | — |
| 1984 | 64° | 48° | 56° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982 | 70° | 59° | 64° | 0.05" | — |
| 1981 | 63° | 51° | 57° | — | — |
| 1980 | 71° | 48° | 60° | — | — |
| 1979 | 66° | 48° | 57° | — | — |
| 1978 | 64° | 52° | 58° | — | — |
| 1977 | 64° | 49° | 56° | — | — |
| 1976 | 65° | 53° | 59° | — | — |
| 1975 | 67° | 55° | 61° | — | — |
| 1974 | 76° | 53° | 64° | — | — |
| 1973 | 71° | 61° | 66° | 0.13" | — |
| 1972 | 63° | 55° | 59° | — | — |
| 1971 | 60° | 49° | 54° | — | — |
55 years of data from BERKELEY