Weather on August 26
San Mateo, CA
55 Years of Data
About This Date
August 26th in San Mateo, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 56°F. Over 55 years of records, the warmest August 26th was in 1993 (73°F average), while the coldest was 1980 (61°F) — a 12°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 August 26th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 59° | 67° | — | — |
| 2024 | 83° | 56° | 69° | — | — |
| 2023 | 69° | 59° | 64° | — | — |
| 2022 | 75° | 56° | 65° | — | — |
| 2021 | 77° | 55° | 66° | — | — |
| 2020 | 66° | 55° | 61° | — | — |
| 2019 | 81° | 55° | 68° | — | — |
| 2018 | 72° | 55° | 63° | — | — |
| 2017 | 81° | 53° | 67° | — | — |
| 2016 | 72° | 59° | 65° | — | — |
| 2015 | 77° | 57° | 67° | — | — |
| 2014 | 74° | 59° | 66° | — | — |
| 2013 | 70° | 59° | 64° | — | — |
| 2012 | 67° | 57° | 62° | — | — |
| 2011 | 69° | 56° | 62° | — | — |
| 2010 | 69° | 57° | 63° | — | — |
| 2009 | 70° | 53° | 61° | — | — |
| 2008 | 79° | 55° | 67° | — | — |
| 2007 | 72° | 57° | 64° | — | — |
| 2006 | 69° | 57° | 63° | — | — |
| 2005 | 71° | 53° | 62° | — | — |
| 2004 | 78° | 60° | 69° | — | — |
| 2003 | 75° | 58° | 66° | — | — |
| 2002 | 79° | 54° | 66° | — | — |
| 2001 | 73° | 55° | 64° | — | — |
| 2000 | 70° | 54° | 62° | — | — |
| 1999 | 79° | 55° | 67° | — | — |
| 1998 | 70° | 54° | 62° | — | — |
| 1997 | 79° | 64° | 71° | — | — |
| 1996 | 71° | 58° | 64° | — | — |
| 1995 | 69° | 53° | 61° | — | — |
| 1994 | 68° | 56° | 62° | — | — |
| 1993warmest | 89° | 57° | 73° | — | — |
| 1992 | 72° | 55° | 63° | — | — |
| 1991 | 68° | 56° | 62° | — | — |
| 1990 | 77° | 61° | 69° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 78° | 57° | 68° | — | — |
| 1987 | 75° | 58° | 66° | — | — |
| 1986 | 70° | 52° | 61° | — | — |
| 1985 | 66° | 55° | 61° | — | — |
| 1984 | 73° | 55° | 64° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 69° | 58° | 63° | — | — |
| 1981 | 79° | 51° | 65° | — | — |
| 1980coldest | 69° | 53° | 61° | — | — |
| 1979 | 73° | 60° | 67° | — | — |
| 1978 | 78° | 55° | 67° | — | — |
| 1977 | 79° | 57° | 68° | — | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975 | 82° | 53° | 68° | — | — |
| 1974 | 75° | 57° | 66° | — | — |
| 1973 | 72° | 52° | 62° | — | — |
| 1972 | 79° | 54° | 66° | — | — |
| 1971 | 78° | 57° | 68° | — | — |
San Mateo, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Mateo, CA Monthly Precipitation
Average rainfall per month, in inches.
San Mateo, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Mateo, CA
San Mateo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.