Weather on August 14
San Mateo, CA
55 Years of Data
Avg High
72°F
Avg Low
56°F
Warmest
2020
80°F avg
Coldest
1980
57°F avg
About This Date
August 14th in San Mateo, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 56°F. Over 55 years of records, the warmest August 14th was in 2020 (80°F average), while the coldest was 1980 (57°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 14th dates historically. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for August 14th in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 58° | 64° | — | — |
| 2024 | 69° | 52° | 60° | — | — |
| 2023 | 74° | 60° | 67° | — | — |
| 2022 | 77° | 57° | 67° | — | — |
| 2021 | 70° | 58° | 64° | — | — |
| 2020warmest | 99° | 62° | 80° | — | — |
| 2019 | 94° | 61° | 77° | — | — |
| 2018 | 66° | 55° | 61° | — | — |
| 2017 | 63° | 59° | 61° | — | — |
| 2016 | 70° | 54° | 62° | — | — |
| 2015 | 74° | 61° | 67° | — | — |
| 2014 | 74° | 60° | 67° | — | — |
| 2013 | 71° | 56° | 63° | — | — |
| 2012 | 68° | 54° | 61° | — | — |
| 2011 | 71° | 55° | 63° | — | — |
| 2010 | 67° | 56° | 61° | — | — |
| 2009 | 68° | 57° | 63° | — | — |
| 2008 | 69° | 54° | 61° | — | — |
| 2007 | 67° | 55° | 61° | — | — |
| 2006 | 72° | 57° | 64° | — | — |
| 2005 | 71° | 56° | 63° | — | — |
| 2004 | 66° | 59° | 63° | — | — |
| 2003 | 72° | 59° | 65° | — | — |
| 2002 | 71° | 58° | 64° | — | — |
| 2001 | 66° | 55° | 61° | — | — |
| 2000 | 75° | 55° | 65° | — | — |
| 1999 | 67° | 56° | 61° | — | — |
| 1998 | 71° | 55° | 63° | — | — |
| 1997 | 70° | 57° | 63° | — | — |
| 1996 | 67° | 53° | 60° | — | — |
| 1995 | 85° | 53° | 69° | — | — |
| 1994 | 84° | 55° | 70° | — | — |
| 1993 | 71° | 59° | 65° | — | — |
| 1992 | 70° | 58° | 64° | — | — |
| 1991 | 72° | 60° | 66° | 0.23" | — |
| 1990 | 65° | 58° | 61° | — | — |
| 1989 | 83° | 53° | 68° | — | — |
| 1988 | 64° | 57° | 61° | — | — |
| 1987 | 63° | 58° | 60° | — | — |
| 1986 | 71° | 55° | 63° | — | — |
| 1985 | 67° | 56° | 61° | — | — |
| 1984 | 74° | 55° | 64° | — | — |
| 1983 | 75° | 54° | 64° | — | — |
| 1982 | 71° | 54° | 62° | — | — |
| 1981 | 68° | 56° | 62° | — | — |
| 1980coldest | 63° | 52° | 57° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 90° | 52° | 71° | — | — |
| 1977 | 70° | 51° | 60° | — | — |
| 1976 | 67° | 57° | 62° | 0.1" | — |
| 1975 | 70° | 53° | 61° | — | — |
| 1974 | 73° | 50° | 62° | — | — |
| 1973 | 72° | 50° | 61° | — | — |
| 1972 | 70° | 51° | 60° | — | — |
| 1971 | 78° | 51° | 65° | — | — |
55 years of data from BURLINGAME