Weather on April 28
San Mateo, CA
55 Years of Data
Avg High
67°F
Avg Low
50°F
Warmest
1981
70°F avg
Coldest
1999
51°F avg
About This Date
April 28th in San Mateo, CA typically brings mild spring weather, with average highs around 67°F and lows near 50°F. Over 55 years of records, the warmest April 28th was in 1981 (70°F average), while the coldest was 1999 (51°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 11% of April 28th dates historically, with the wettest April 28th recording 1.37" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for April 28th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 46° | 55° | — | — |
| 2024 | 64° | 52° | 58° | — | — |
| 2023 | 67° | 51° | 59° | — | — |
| 2022 | 60° | 50° | 55° | — | — |
| 2021 | 83° | 50° | 66° | — | — |
| 2020 | 70° | 52° | 61° | — | — |
| 2019 | 66° | 49° | 57° | — | — |
| 2018 | 66° | 55° | 61° | — | — |
| 2017 | 68° | 49° | 58° | — | — |
| 2016 | 63° | 48° | 55° | — | — |
| 2015 | 64° | 52° | 58° | — | — |
| 2014 | 69° | 52° | 60° | — | — |
| 2013 | 71° | 47° | 59° | — | — |
| 2012 | 64° | 51° | 58° | — | — |
| 2011 | 61° | 48° | 54° | — | — |
| 2010 | 58° | 49° | 53° | 0.23" | — |
| 2009 | 58° | 47° | 52° | — | — |
| 2008 | 64° | 48° | 56° | — | — |
| 2007 | 77° | 52° | 64° | — | — |
| 2006 | 68° | 52° | 60° | — | — |
| 2005 | 65° | 53° | 59° | 1.37" | — |
| 2004 | 69° | 54° | 61° | — | — |
| 2003 | 60° | 50° | 55° | 0.64" | — |
| 2002 | 60° | 45° | 52° | — | — |
| 2001 | 61° | 50° | 55° | — | — |
| 2000 | 60° | 50° | 55° | — | — |
| 1999coldest | 58° | 45° | 51° | — | — |
| 1998 | 68° | 50° | 59° | — | — |
| 1997 | 61° | 50° | 55° | — | — |
| 1996 | 81° | 56° | 68° | — | — |
| 1995 | 62° | 56° | 59° | 0.18" | — |
| 1994 | 71° | 48° | 60° | — | — |
| 1993 | 77° | 48° | 63° | — | — |
| 1992 | 79° | 56° | 67° | — | — |
| 1991 | 72° | 46° | 59° | — | — |
| 1990 | 63° | 51° | 57° | — | — |
| 1989 | 73° | 47° | 60° | — | — |
| 1988 | 67° | 55° | 61° | 0.03" | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 61° | 49° | 55° | — | — |
| 1985 | 63° | 49° | 56° | — | — |
| 1984 | 70° | 45° | 57° | — | — |
| 1983 | 61° | 52° | 56° | 0.89" | — |
| 1982 | 63° | 49° | 56° | — | — |
| 1981warmest | 89° | 52° | 70° | — | — |
| 1980 | 62° | 52° | 57° | — | — |
| 1979 | 65° | 52° | 58° | — | — |
| 1978 | 67° | 48° | 57° | — | — |
| 1977 | 67° | 42° | 54° | — | — |
| 1976 | 71° | 42° | 57° | — | — |
| 1975 | 70° | 42° | 56° | — | — |
| 1974 | 74° | 44° | 59° | — | — |
| 1973 | 63° | 49° | 56° | — | — |
| 1972 | 62° | 50° | 56° | — | — |
| 1971 | 57° | 48° | 53° | — | — |
55 years of data from BURLINGAME