Weather on March 15
San Mateo, CA
55 Years of Data
Avg High
63°F
Avg Low
47°F
Warmest
2004
66°F avg
Coldest
1977
44°F avg
About This Date
March 15th in San Mateo, CA typically brings mild spring weather, with average highs around 63°F and lows near 47°F. Over 56 years of records, the warmest March 15th was in 2004 (66°F average), while the coldest was 1977 (44°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 36% of March 15th dates historically, with the wettest March 15th recording 3.05" 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 March 15th in San Mateo, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 79° | 50° | 64° | — | — |
| 2025 | 61° | 49° | 55° | — | — |
| 2024 | 73° | 58° | 65° | — | — |
| 2023 | 59° | 43° | 51° | — | — |
| 2022 | 66° | 51° | 59° | 0.05" | — |
| 2021 | 55° | 45° | 50° | 0.08" | — |
| 2020 | 56° | 47° | 51° | 0.51" | — |
| 2019 | 67° | 41° | 54° | — | — |
| 2018 | 59° | 44° | 52° | 0.36" | — |
| 2017 | 62° | 52° | 57° | — | — |
| 2016 | 64° | 47° | 55° | — | — |
| 2015 | 71° | 59° | 65° | — | — |
| 2014 | 76° | 51° | 63° | — | — |
| 2013 | 64° | 46° | 55° | — | — |
| 2012 | 61° | 55° | 58° | 0.25" | — |
| 2011 | 61° | 54° | 57° | 0.56" | — |
| 2010 | 67° | 44° | 55° | — | — |
| 2009 | 59° | 50° | 55° | 0.1" | — |
| 2008 | 55° | 44° | 50° | 0.2" | — |
| 2007 | 75° | 47° | 61° | — | — |
| 2006 | 56° | 45° | 50° | — | — |
| 2005 | 74° | 48° | 61° | — | — |
| 2004warmest | 81° | 52° | 66° | — | — |
| 2003 | 61° | 50° | 55° | 0.89" | — |
| 2002 | 55° | 44° | 50° | — | — |
| 2001 | 57° | 47° | 52° | — | — |
| 2000 | 71° | 47° | 59° | — | — |
| 1999 | 57° | 45° | 51° | 0.18" | — |
| 1998 | 63° | 51° | 57° | — | — |
| 1997 | 62° | 50° | 56° | — | — |
| 1996 | 62° | 49° | 55° | — | — |
| 1995 | 63° | 42° | 52° | — | — |
| 1994 | 63° | 46° | 54° | — | — |
| 1993 | 65° | 55° | 60° | 0.03" | — |
| 1992 | 62° | 51° | 57° | 0.58" | — |
| 1991 | 56° | 42° | 49° | 0.03" | — |
| 1990 | 65° | 49° | 57° | — | — |
| 1989 | 61° | 46° | 53° | — | — |
| 1988 | 64° | 44° | 54° | — | — |
| 1987 | 58° | 46° | 52° | — | — |
| 1986 | 57° | 47° | 52° | 2.24" | — |
| 1985 | 59° | 43° | 51° | — | — |
| 1984 | 62° | 50° | 56° | 0.23" | — |
| 1983 | 60° | 43° | 51° | — | — |
| 1982 | 52° | 47° | 49° | 0.1" | — |
| 1981 | 54° | 46° | 50° | 1.47" | — |
| 1980 | 58° | 44° | 51° | — | — |
| 1979 | 57° | 50° | 54° | 0.05" | — |
| 1978 | 75° | 42° | 59° | — | — |
| 1977coldest | 54° | 35° | 44° | 3.05" | — |
| 1976 | 64° | 49° | 56° | — | — |
| 1975 | 57° | 37° | 47° | — | — |
| 1974 | 67° | 48° | 57° | — | — |
| 1973 | 63° | 29° | 46° | — | — |
| 1972 | 80° | 42° | 61° | — | — |
| 1971 | 64° | 43° | 53° | 0.05" | — |
56 years of data from BURLINGAME