Weather on April 27
San Mateo, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2004
71°F avg
Coldest
1975
50°F avg
About This Date
April 27th in San Mateo, CA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 55 years of records, the warmest April 27th was in 2004 (71°F average), while the coldest was 1975 (50°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 27th dates historically, with the wettest April 27th recording 1.04" 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 April 27th in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 50° | 54° | — | — |
| 2024 | 65° | 51° | 58° | — | — |
| 2023 | 83° | 50° | 66° | — | — |
| 2022 | 60° | 50° | 55° | — | — |
| 2021 | 70° | 48° | 59° | — | — |
| 2020 | 71° | 52° | 61° | — | — |
| 2019 | 67° | 50° | 58° | — | — |
| 2018 | 67° | 54° | 60° | — | — |
| 2017 | 65° | 52° | 58° | — | — |
| 2016 | 60° | 49° | 54° | 0.1" | — |
| 2015 | 80° | 52° | 66° | — | — |
| 2014 | 64° | 53° | 59° | — | — |
| 2013 | 61° | 49° | 55° | — | — |
| 2012 | 64° | 49° | 56° | — | — |
| 2011 | 61° | 49° | 55° | — | — |
| 2010 | 62° | 52° | 57° | 0.23" | — |
| 2009 | 56° | 48° | 52° | — | — |
| 2008 | 76° | 51° | 63° | — | — |
| 2007 | 75° | 49° | 62° | — | — |
| 2006 | 69° | 51° | 60° | — | — |
| 2005 | 65° | 52° | 58° | 0.1" | — |
| 2004warmest | 87° | 56° | 71° | — | — |
| 2003 | 64° | 46° | 55° | 1.04" | — |
| 2002 | 59° | 48° | 54° | — | — |
| 2001 | 59° | 49° | 54° | — | — |
| 2000 | 65° | 52° | 58° | — | — |
| 1999 | 56° | 47° | 51° | — | — |
| 1998 | 75° | 50° | 63° | — | — |
| 1997 | 62° | 50° | 56° | — | — |
| 1996 | 72° | 49° | 60° | — | — |
| 1995 | 62° | 52° | 57° | 0.23" | — |
| 1994 | 63° | 50° | 56° | — | — |
| 1993 | 69° | 49° | 59° | — | — |
| 1992 | 79° | 53° | 66° | — | — |
| 1991 | 66° | 46° | 56° | — | — |
| 1990 | 74° | 49° | 61° | — | — |
| 1989 | 69° | 48° | 59° | — | — |
| 1988 | 67° | 54° | 60° | — | — |
| 1987 | 69° | 48° | 59° | — | — |
| 1986 | 69° | 47° | 58° | — | — |
| 1985 | 76° | 49° | 62° | — | — |
| 1984 | 68° | 42° | 55° | — | — |
| 1983 | 60° | 53° | 57° | 0.56" | — |
| 1982 | 62° | 48° | 55° | — | — |
| 1981 | 68° | 46° | 57° | — | — |
| 1980 | 66° | 50° | 58° | — | — |
| 1979 | 68° | 51° | 60° | — | — |
| 1978 | 60° | 50° | 55° | — | — |
| 1977 | 63° | 50° | 56° | — | — |
| 1976 | 70° | 38° | 54° | — | — |
| 1975coldest | 59° | 41° | 50° | — | — |
| 1974 | 70° | 41° | 55° | — | — |
| 1973 | 67° | 50° | 58° | — | — |
| 1972 | 64° | 50° | 57° | — | — |
| 1971 | 61° | 43° | 52° | — | — |
55 years of data from BURLINGAME