Weather on June 28
San Mateo, CA
55 Years of Data
Avg High
72°F
Avg Low
55°F
Warmest
1974
74°F avg
Coldest
1979
57°F avg
About This Date
June 28th in San Mateo, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 55°F. Over 55 years of records, the warmest June 28th was in 1974 (74°F average), while the coldest was 1979 (57°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 28th dates historically, with the wettest June 28th recording 1.32" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for June 28th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 54° | 66° | — | — |
| 2024 | 73° | 52° | 62° | — | — |
| 2023 | 65° | 54° | 59° | — | — |
| 2022 | 70° | 54° | 62° | — | — |
| 2021 | 69° | 59° | 64° | — | — |
| 2020 | 67° | 55° | 61° | — | — |
| 2019 | 70° | 56° | 63° | — | — |
| 2018 | 70° | 51° | 60° | — | — |
| 2017 | 66° | 57° | 62° | — | — |
| 2016 | 67° | 52° | 59° | — | — |
| 2015 | 72° | 59° | 65° | — | — |
| 2014 | 73° | 58° | 65° | — | — |
| 2013 | 82° | 59° | 71° | — | — |
| 2012 | 68° | 55° | 62° | — | — |
| 2011 | 62° | 55° | 59° | 1.32" | — |
| 2010 | 76° | 58° | 67° | — | — |
| 2009 | 81° | 59° | 70° | — | — |
| 2008 | 70° | 55° | 62° | — | — |
| 2007 | 70° | 56° | 63° | — | — |
| 2006 | 70° | 58° | 64° | — | — |
| 2005 | 74° | 56° | 65° | — | — |
| 2004 | 72° | 54° | 63° | — | — |
| 2003 | 78° | 56° | 67° | — | — |
| 2002 | 68° | 54° | 61° | — | — |
| 2001 | 68° | 55° | 62° | — | — |
| 2000 | 67° | 54° | 60° | — | — |
| 1999 | 82° | 53° | 68° | — | — |
| 1998 | 65° | 53° | 59° | — | — |
| 1997 | 67° | 56° | 61° | — | — |
| 1996 | 75° | 53° | 64° | — | — |
| 1995 | 69° | 56° | 62° | — | — |
| 1994 | 70° | 53° | 61° | — | — |
| 1993 | 67° | 53° | 60° | — | — |
| 1992 | 75° | 62° | 69° | 0.36" | — |
| 1991 | 64° | 57° | 61° | 0.15" | — |
| 1990 | 69° | 54° | 61° | — | — |
| 1989 | 66° | 57° | 62° | — | — |
| 1988 | 72° | 52° | 62° | — | — |
| 1987 | 72° | 57° | 64° | — | — |
| 1986 | 66° | 55° | 61° | — | — |
| 1985 | 76° | 52° | 64° | — | — |
| 1984 | 66° | 53° | 60° | — | — |
| 1983 | 65° | 57° | 61° | — | — |
| 1982 | 65° | 58° | 61° | — | — |
| 1981 | 75° | 52° | 63° | — | — |
| 1980 | 83° | 52° | 67° | — | — |
| 1979coldest | 62° | 51° | 57° | — | — |
| 1978 | 69° | 55° | 62° | — | — |
| 1977 | 71° | 55° | 63° | — | — |
| 1976 | 95° | 51° | 73° | — | — |
| 1975 | 73° | 46° | 60° | — | — |
| 1974warmest | 96° | 52° | 74° | — | — |
| 1973 | 78° | 56° | 67° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 70° | 53° | 61° | — | — |
55 years of data from BURLINGAME