Weather on March 23
San Mateo, CA
55 Years of Data
Avg High
62°F
Avg Low
48°F
Warmest
2026
63°F avg
Coldest
1994
48°F avg
About This Date
March 23rd in San Mateo, CA typically brings mild spring weather, with average highs around 62°F and lows near 48°F. Over 56 years of records, the warmest March 23rd was in 2026 (63°F average), while the coldest was 1994 (48°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 32% of March 23rd dates historically, with the wettest March 23rd recording 1.45" 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 23rd in San Mateo, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 76° | 50° | 63° | — | — |
| 2025 | 66° | 49° | 57° | — | — |
| 2024 | 60° | 50° | 55° | 0.3" | — |
| 2023 | 57° | 49° | 53° | 0.08" | — |
| 2022 | 60° | 50° | 55° | — | — |
| 2021 | 66° | 47° | 56° | — | — |
| 2020 | 60° | 50° | 55° | — | — |
| 2019 | 60° | 50° | 55° | 0.51" | — |
| 2018 | 59° | 46° | 53° | — | — |
| 2017 | 61° | 50° | 55° | — | — |
| 2016 | 66° | 48° | 57° | — | — |
| 2015 | 65° | 55° | 60° | — | — |
| 2014 | 64° | 49° | 56° | — | — |
| 2013 | 65° | 43° | 54° | — | — |
| 2012 | 60° | 42° | 51° | — | — |
| 2011 | 56° | 48° | 52° | 1.07" | — |
| 2010 | 71° | 48° | 60° | — | — |
| 2009 | 57° | 41° | 49° | — | — |
| 2008 | 64° | 44° | 54° | — | — |
| 2007 | 70° | 47° | 58° | — | — |
| 2006 | 64° | 45° | 54° | — | — |
| 2005 | 58° | 50° | 54° | 0.38" | — |
| 2004 | 61° | 51° | 56° | — | — |
| 2003 | 59° | 51° | 55° | 0.56" | — |
| 2002 | 60° | 50° | 55° | 0.46" | — |
| 2001 | 61° | 53° | 57° | — | — |
| 2000 | 59° | 47° | 53° | — | — |
| 1999 | 58° | 46° | 52° | 0.2" | — |
| 1998 | 67° | 57° | 62° | 1.04" | — |
| 1997 | 66° | 49° | 57° | — | — |
| 1996 | 61° | 44° | 52° | — | — |
| 1995 | 54° | 42° | 48° | 0.56" | — |
| 1994coldest | 58° | 39° | 48° | — | — |
| 1993 | 60° | 52° | 56° | 1.45" | — |
| 1992 | 63° | 50° | 56° | — | — |
| 1991 | 57° | 49° | 53° | 1.42" | — |
| 1990 | 66° | 49° | 57° | — | — |
| 1989 | 62° | 46° | 54° | 0.66" | — |
| 1988 | 63° | 51° | 57° | — | — |
| 1987 | 58° | 48° | 53° | 0.43" | — |
| 1986 | 66° | 48° | 57° | — | — |
| 1985 | 62° | 49° | 55° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 53° | 48° | 51° | 1.19" | — |
| 1982 | 64° | 41° | 53° | — | — |
| 1981 | 63° | 43° | 53° | — | — |
| 1980 | 68° | 43° | 55° | — | — |
| 1979 | 65° | 42° | 53° | — | — |
| 1978 | 69° | 53° | 61° | 0.18" | — |
| 1977 | 59° | 46° | 53° | 0.1" | — |
| 1976 | 69° | 39° | 54° | — | — |
| 1975 | 62° | 49° | 55° | — | — |
| 1974 | 58° | 49° | 53° | — | — |
| 1973 | 68° | 39° | 54° | — | — |
| 1972 | 61° | 47° | 54° | — | — |
| 1971 | 60° | 52° | 56° | 0.38" | — |
56 years of data from BURLINGAME