Weather on November 18
San Mateo, CA
55 Years of Data
Avg High
62°F
Avg Low
48°F
Warmest
1996
63°F avg
Coldest
1994
45°F avg
About This Date
November 18th in San Mateo, CA typically brings mild fall weather, with average highs around 62°F and lows near 48°F. Over 55 years of records, the warmest November 18th was in 1996 (63°F average), while the coldest was 1994 (45°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 20% of November 18th dates historically, with the wettest November 18th recording 5.74" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for November 18th 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 | 61° | 51° | 56° | 0.2" | — |
| 2024 | 59° | 47° | 53° | — | — |
| 2023 | 65° | 56° | 60° | 1.22" | — |
| 2022 | 65° | 45° | 55° | — | — |
| 2021 | 61° | 51° | 56° | — | — |
| 2020 | 65° | 49° | 57° | 0.33" | — |
| 2019 | 73° | 52° | 62° | — | — |
| 2018 | 57° | 44° | 51° | — | — |
| 2017 | 62° | 43° | 52° | — | — |
| 2016 | 67° | 46° | 56° | — | — |
| 2015 | 63° | 48° | 55° | — | — |
| 2014 | 64° | 51° | 58° | — | — |
| 2013 | 60° | 46° | 53° | — | — |
| 2012 | 62° | 52° | 57° | — | — |
| 2011 | 58° | 48° | 53° | 0.03" | — |
| 2010 | 59° | 46° | 53° | — | — |
| 2009 | 60° | 46° | 53° | — | — |
| 2008 | 63° | 51° | 57° | — | — |
| 2007 | 63° | 52° | 57° | — | — |
| 2006 | 67° | 49° | 58° | — | — |
| 2005 | 73° | 49° | 61° | — | — |
| 2004 | 60° | 49° | 54° | — | — |
| 2003 | 64° | 48° | 56° | — | — |
| 2002 | 65° | 47° | 56° | — | — |
| 2001 | 63° | 48° | 55° | — | — |
| 2000 | 57° | 39° | 48° | — | — |
| 1999 | 62° | 46° | 54° | — | — |
| 1998 | 59° | 46° | 53° | — | — |
| 1997 | 60° | 52° | 56° | 0.74" | — |
| 1996warmest | 67° | 59° | 63° | 0.1" | — |
| 1995 | 64° | 52° | 58° | 0.03" | — |
| 1994coldest | 52° | 38° | 45° | — | — |
| 1993 | 64° | 48° | 56° | — | — |
| 1992 | 65° | 46° | 55° | — | — |
| 1991 | 61° | 50° | 55° | — | — |
| 1990 | 63° | 52° | 57° | — | — |
| 1989 | 72° | 51° | 61° | — | — |
| 1988 | 60° | 43° | 51° | — | — |
| 1987 | 65° | 54° | 59° | — | — |
| 1986 | 63° | 54° | 58° | — | — |
| 1985 | 55° | 41° | 48° | — | — |
| 1984 | 61° | 49° | 55° | — | — |
| 1983 | 61° | 50° | 55° | — | — |
| 1982 | 60° | 55° | 58° | 5.74" | — |
| 1981 | 60° | 44° | 52° | — | — |
| 1980 | 66° | 42° | 54° | — | — |
| 1979 | 60° | 47° | 53° | — | — |
| 1978 | 64° | 46° | 55° | — | — |
| 1977 | 69° | 42° | 56° | — | — |
| 1976 | 67° | 49° | 58° | — | — |
| 1975 | 55° | 44° | 50° | — | — |
| 1974 | 62° | 49° | 55° | 0.03" | — |
| 1973 | 59° | 47° | 53° | 0.51" | — |
| 1972 | 56° | 55° | 55° | 0.08" | — |
| 1971 | 65° | 40° | 52° | — | — |
55 years of data from BURLINGAME