Weather on October 31
Berkeley, CA
55 Years of Data
Avg High
68°F
Avg Low
50°F
Warmest
1973
69°F avg
Coldest
1974
51°F avg
About This Date
October 31st in Berkeley, CA typically brings mild fall weather, with average highs around 68°F and lows near 50°F. Over 55 years of records, the warmest October 31st was in 1973 (69°F average), while the coldest was 1974 (51°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 31st dates historically, with the wettest October 31st recording 1.04" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in Berkeley, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 56° | 64° | — | — |
| 2024 | 65° | 50° | 57° | 0.84" | — |
| 2023 | 76° | 48° | 62° | — | — |
| 2022 | 64° | 52° | 58° | — | — |
| 2021 | 62° | 55° | 59° | — | — |
| 2020 | 77° | 45° | 61° | — | — |
| 2019 | 73° | 49° | 61° | — | — |
| 2018 | 72° | 50° | 61° | — | — |
| 2017 | 64° | 47° | 55° | — | — |
| 2016 | 65° | 52° | 58° | 0.05" | — |
| 2015 | 80° | 55° | 68° | — | — |
| 2014 | 73° | 58° | 65° | 0.74" | — |
| 2013 | 67° | 45° | 56° | — | — |
| 2012 | 69° | 52° | 60° | 0.28" | — |
| 2011 | 78° | 50° | 64° | — | — |
| 2010 | 59° | 48° | 54° | — | — |
| 2009 | 73° | 47° | 60° | — | — |
| 2008 | 65° | 54° | 59° | 0.36" | — |
| 2007 | 60° | 50° | 55° | — | — |
| 2006 | 61° | 48° | 54° | — | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 63° | 47° | 55° | — | — |
| 2003 | 62° | 43° | 52° | 0.13" | — |
| 2002 | 67° | 42° | 54° | — | — |
| 2001 | 62° | 51° | 57° | — | — |
| 2000 | 59° | 45° | 52° | 0.97" | — |
| 1999 | 77° | 51° | 64° | — | — |
| 1998 | 65° | 47° | 56° | 0.03" | — |
| 1997 | 70° | 58° | 64° | — | — |
| 1996 | 61° | 49° | 55° | — | — |
| 1995 | 59° | 55° | 57° | 0.23" | — |
| 1994 | 74° | 52° | 63° | — | — |
| 1993 | 68° | 58° | 63° | — | — |
| 1992 | 70° | 60° | 65° | — | — |
| 1991 | 69° | 47° | 58° | — | — |
| 1990 | 64° | 54° | 59° | 1.04" | — |
| 1989 | 71° | 49° | 60° | — | — |
| 1988 | 70° | 51° | 60° | — | — |
| 1987 | 68° | 55° | 62° | — | — |
| 1986 | 73° | 50° | 62° | — | — |
| 1985 | 66° | 47° | 56° | — | — |
| 1984 | 63° | 43° | 53° | — | — |
| 1983 | 68° | 57° | 63° | — | — |
| 1982 | 68° | 49° | 58° | — | — |
| 1981 | 72° | 52° | 62° | — | — |
| 1980 | 73° | 52° | 62° | — | — |
| 1979 | 64° | 50° | 57° | — | — |
| 1978 | 65° | 41° | 53° | — | — |
| 1977 | 64° | 46° | 55° | — | — |
| 1976 | 69° | 51° | 60° | — | — |
| 1975 | 66° | 48° | 57° | — | — |
| 1974coldest | 56° | 47° | 51° | 0.56" | — |
| 1973warmest | 77° | 61° | 69° | — | — |
| 1972 | 62° | 50° | 56° | — | — |
| 1971 | 65° | 43° | 54° | 0.03" | — |
55 years of data from BERKELEY