Weather on October 22
San Mateo, CA
55 Years of Data
Avg High
70°F
Avg Low
52°F
Warmest
2019
72°F avg
Coldest
1977
55°F avg
About This Date
October 22nd in San Mateo, 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 22nd was in 2019 (72°F average), while the coldest was 1977 (55°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 22nd dates historically, with the wettest October 22nd recording 1.17" 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 October 22nd in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 58° | 62° | — | — |
| 2024 | 66° | 50° | 58° | — | — |
| 2023 | 70° | 62° | 66° | — | — |
| 2022 | 66° | 55° | 61° | 0.03" | — |
| 2021 | 65° | 56° | 60° | 1.17" | — |
| 2020 | 73° | 55° | 64° | — | — |
| 2019warmest | 87° | 57° | 72° | — | — |
| 2018 | 64° | 52° | 58° | — | — |
| 2017 | 73° | 52° | 62° | — | — |
| 2016 | 67° | 56° | 61° | — | — |
| 2015 | 73° | 54° | 63° | — | — |
| 2014 | 74° | 57° | 65° | — | — |
| 2013 | 64° | 47° | 55° | — | — |
| 2012 | 64° | 55° | 60° | 0.97" | — |
| 2011 | 82° | 54° | 68° | — | — |
| 2010 | 66° | 57° | 62° | — | — |
| 2009 | 70° | 56° | 63° | — | — |
| 2008 | 82° | 53° | 68° | — | — |
| 2007 | 78° | 54° | 66° | — | — |
| 2006 | 75° | 53° | 64° | — | — |
| 2005 | 64° | 50° | 57° | — | — |
| 2004 | 65° | 54° | 59° | — | — |
| 2003 | 68° | 55° | 62° | — | — |
| 2002 | 61° | 54° | 57° | — | — |
| 2001 | 67° | 49° | 58° | — | — |
| 2000 | 70° | 55° | 62° | — | — |
| 1999 | 68° | 52° | 60° | — | — |
| 1998 | 61° | 49° | 55° | — | — |
| 1997 | 63° | 53° | 58° | — | — |
| 1996 | 69° | 45° | 57° | — | — |
| 1995 | 71° | 52° | 61° | — | — |
| 1994 | 74° | 49° | 61° | — | — |
| 1993 | 75° | 51° | 63° | — | — |
| 1992 | 75° | 53° | 64° | — | — |
| 1991 | 67° | 54° | 60° | — | — |
| 1990 | 76° | 53° | 64° | — | — |
| 1989 | 69° | 59° | 64° | — | — |
| 1988 | 67° | 51° | 59° | — | — |
| 1987 | 69° | 60° | 65° | — | — |
| 1986 | 68° | 50° | 59° | — | — |
| 1985 | 65° | 48° | 56° | — | — |
| 1984 | 70° | 47° | 58° | — | — |
| 1983 | 72° | 52° | 62° | — | — |
| 1982 | 77° | 63° | 70° | 0.03" | — |
| 1981 | 65° | 46° | 55° | — | — |
| 1980 | 77° | 47° | 62° | — | — |
| 1979 | 71° | 48° | 60° | — | — |
| 1978 | 81° | 50° | 65° | — | — |
| 1977coldest | 67° | 43° | 55° | — | — |
| 1976 | 68° | 46° | 57° | — | — |
| 1975 | 63° | 52° | 57° | — | — |
| 1974 | 72° | 45° | 58° | — | — |
| 1973 | 71° | 55° | 63° | 0.79" | — |
| 1972 | 65° | 59° | 62° | — | — |
| 1971 | 69° | 43° | 56° | — | — |
55 years of data from BURLINGAME