Weather on October 30
San Mateo, CA
55 Years of Data
Avg High
67°F
Avg Low
51°F
Warmest
1983
67°F avg
Coldest
1996
52°F avg
About This Date
October 30th in San Mateo, CA typically brings mild fall weather, with average highs around 67°F and lows near 51°F. Over 55 years of records, the warmest October 30th was in 1983 (67°F average), while the coldest was 1996 (52°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 18% of October 30th dates historically, with the wettest October 30th recording 1.32" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 30th in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 56° | 59° | — | — |
| 2024 | 63° | 46° | 54° | — | — |
| 2023 | 74° | 50° | 62° | — | — |
| 2022 | 66° | 53° | 60° | — | — |
| 2021 | 64° | 57° | 61° | — | — |
| 2020 | 65° | 49° | 57° | — | — |
| 2019 | 69° | 51° | 60° | — | — |
| 2018 | 68° | 49° | 58° | — | — |
| 2017 | 62° | 55° | 59° | — | — |
| 2016 | 67° | 57° | 62° | 1.32" | — |
| 2015 | 78° | 53° | 66° | — | — |
| 2014 | 74° | 60° | 67° | — | — |
| 2013 | 65° | 48° | 56° | — | — |
| 2012 | 66° | 52° | 59° | — | — |
| 2011 | 74° | 52° | 63° | — | — |
| 2010 | 63° | 52° | 57° | 0.15" | — |
| 2009 | 72° | 51° | 61° | — | — |
| 2008 | 67° | 51° | 59° | 0.05" | — |
| 2007 | 61° | 53° | 57° | — | — |
| 2006 | 60° | 45° | 52° | — | — |
| 2005 | 68° | 48° | 58° | — | — |
| 2004 | 61° | 51° | 56° | — | — |
| 2003 | 60° | 50° | 55° | — | — |
| 2002 | 65° | 50° | 57° | — | — |
| 2001 | 63° | 58° | 60° | 0.79" | — |
| 2000 | 61° | 52° | 56° | 0.1" | — |
| 1999 | 72° | 49° | 60° | — | — |
| 1998 | 64° | 50° | 57° | — | — |
| 1997 | 70° | 60° | 65° | — | — |
| 1996coldest | 55° | 48° | 52° | 0.05" | — |
| 1995 | 61° | 53° | 57° | — | — |
| 1994 | 69° | 44° | 57° | — | — |
| 1993 | 74° | 55° | 64° | — | — |
| 1992 | 67° | 57° | 62° | 0.13" | — |
| 1991 | 66° | 50° | 58° | — | — |
| 1990 | 69° | 52° | 60° | — | — |
| 1989 | 70° | 47° | 58° | — | — |
| 1988 | 72° | 46° | 59° | — | — |
| 1987 | 69° | 51° | 60° | — | — |
| 1986 | 66° | 52° | 59° | — | — |
| 1985 | 61° | 51° | 56° | — | — |
| 1984 | 60° | 49° | 54° | — | — |
| 1983warmest | 74° | 61° | 67° | 0.23" | — |
| 1982 | 60° | 52° | 56° | 0.18" | — |
| 1981 | 67° | 47° | 57° | — | — |
| 1980 | 70° | 50° | 60° | — | — |
| 1979 | 65° | 47° | 56° | — | — |
| 1978 | 69° | 42° | 56° | — | — |
| 1977 | 66° | 54° | 60° | 0.48" | — |
| 1976 | 74° | 44° | 59° | — | — |
| 1975 | 67° | 42° | 54° | — | — |
| 1974 | 64° | 48° | 56° | — | — |
| 1973 | 79° | 51° | 65° | — | — |
| 1972 | 60° | 59° | 60° | — | — |
| 1971 | 61° | 47° | 54° | — | — |
55 years of data from BURLINGAME