Weather on October 19
San Mateo, CA
55 Years of Data
Avg High
71°F
Avg Low
52°F
Warmest
2023
74°F avg
Coldest
1985
54°F avg
About This Date
October 19th in San Mateo, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 52°F. Over 55 years of records, the warmest October 19th was in 2023 (74°F average), while the coldest was 1985 (54°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 19th dates historically, with the wettest October 19th recording 4.19" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for October 19th in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 55° | 62° | — | — |
| 2024 | 79° | 54° | 66° | — | — |
| 2023warmest | 88° | 61° | 74° | — | — |
| 2022 | 86° | 58° | 72° | — | — |
| 2021 | 67° | 48° | 57° | — | — |
| 2020 | 79° | 55° | 67° | — | — |
| 2019 | 71° | 54° | 62° | — | — |
| 2018 | 74° | 49° | 61° | — | — |
| 2017 | 67° | 54° | 60° | 0.48" | — |
| 2016 | 74° | 53° | 63° | — | — |
| 2015 | 68° | 60° | 64° | — | — |
| 2014 | 74° | 61° | 67° | — | — |
| 2013 | 74° | 49° | 61° | — | — |
| 2012 | 70° | 57° | 63° | — | — |
| 2011 | 64° | 57° | 61° | — | — |
| 2010 | 73° | 54° | 63° | — | — |
| 2009 | 67° | 58° | 62° | 0.71" | — |
| 2008 | 60° | 51° | 56° | — | — |
| 2007 | 71° | 56° | 63° | 0.05" | — |
| 2006 | 78° | 50° | 64° | — | — |
| 2005 | 70° | 56° | 63° | — | — |
| 2004 | 64° | 54° | 59° | 4.19" | — |
| 2003 | 74° | 54° | 64° | — | — |
| 2002 | 66° | 56° | 61° | — | — |
| 2001 | 69° | 51° | 60° | — | — |
| 2000 | 69° | 54° | 61° | — | — |
| 1999 | 70° | 47° | 58° | — | — |
| 1998 | 79° | 48° | 63° | — | — |
| 1997 | 63° | 53° | 58° | — | — |
| 1996 | 61° | 50° | 55° | — | — |
| 1995 | 73° | 54° | 63° | — | — |
| 1994 | 62° | 46° | 54° | — | — |
| 1993 | 77° | 50° | 64° | — | — |
| 1992 | 77° | 55° | 66° | — | — |
| 1991 | 82° | 51° | 67° | — | — |
| 1990 | 68° | 53° | 61° | — | — |
| 1989 | 81° | 53° | 67° | — | — |
| 1988 | 72° | 54° | 63° | — | — |
| 1987 | 67° | 51° | 59° | — | — |
| 1986 | 64° | 48° | 56° | — | — |
| 1985coldest | 57° | 52° | 54° | — | — |
| 1984 | 64° | 51° | 58° | 0.08" | — |
| 1983 | 70° | 48° | 59° | — | — |
| 1982 | 73° | 58° | 65° | — | — |
| 1981 | 66° | 49° | 57° | — | — |
| 1980 | 71° | 44° | 58° | — | — |
| 1979 | 69° | 57° | 63° | 1.42" | — |
| 1978 | 65° | 54° | 59° | — | — |
| 1977 | 64° | 46° | 55° | — | — |
| 1976 | 75° | 48° | 62° | — | — |
| 1975 | 67° | 49° | 58° | — | — |
| 1974 | 75° | 45° | 60° | — | — |
| 1973 | 72° | 49° | 60° | — | — |
| 1972 | 61° | 52° | 56° | — | — |
| 1971 | 69° | 43° | 56° | — | — |
55 years of data from BURLINGAME