Weather on October 20
San Francisco, CA
55 Years of Data
Avg High
69°F
Avg Low
54°F
Warmest
1991
73°F avg
Coldest
2013
54°F avg
About This Date
October 20th in San Francisco, CA typically brings mild fall weather, with average highs around 69°F and lows near 54°F. Over 55 years of records, the warmest October 20th was in 1991 (73°F average), while the coldest was 2013 (54°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 15% of October 20th dates historically, with the wettest October 20th recording 1.85" of rain. 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 October 20th in San Francisco, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 56° | 67° | — | — |
| 2024 | 78° | 56° | 67° | — | — |
| 2023 | 66° | 57° | 62° | — | — |
| 2022 | 67° | 53° | 60° | — | — |
| 2021 | 62° | 55° | 59° | 1.24" | — |
| 2020 | 74° | 53° | 63° | — | — |
| 2019 | 68° | 52° | 60° | — | — |
| 2018 | 64° | 52° | 58° | — | — |
| 2017 | 61° | 52° | 56° | 0.05" | — |
| 2016 | 77° | 56° | 66° | — | — |
| 2015 | 75° | 58° | 66° | — | — |
| 2014 | 67° | 59° | 63° | 0.13" | — |
| 2013coldest | 61° | 47° | 54° | — | — |
| 2012 | 65° | 54° | 59° | — | — |
| 2011 | 61° | 55° | 58° | — | — |
| 2010 | 61° | 50° | 55° | — | — |
| 2009 | 64° | 56° | 60° | — | — |
| 2008 | 61° | 51° | 56° | — | — |
| 2007 | 62° | 55° | 59° | — | — |
| 2006 | 80° | 57° | 69° | — | — |
| 2005 | 66° | 51° | 59° | — | — |
| 2004 | 64° | 50° | 57° | 0.23" | — |
| 2003 | 79° | 56° | 67° | — | — |
| 2002 | 68° | 53° | 61° | — | — |
| 2001 | 59° | 51° | 55° | — | — |
| 2000 | 63° | 53° | 58° | — | — |
| 1999 | 82° | 55° | 69° | — | — |
| 1998 | 83° | 57° | 70° | — | — |
| 1997 | 63° | 54° | 58° | — | — |
| 1996 | 65° | 48° | 56° | — | — |
| 1995 | 70° | 54° | 62° | — | — |
| 1994 | 71° | 50° | 61° | — | — |
| 1993 | 79° | 54° | 66° | — | — |
| 1992 | 77° | 60° | 69° | 0.56" | — |
| 1991warmest | 89° | 58° | 73° | — | — |
| 1990 | 77° | 51° | 64° | — | — |
| 1989 | 65° | 52° | 58° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 67° | 56° | 61° | — | — |
| 1986 | 62° | 54° | 58° | — | — |
| 1985 | 63° | 55° | 59° | 1.85" | — |
| 1984 | 66° | 52° | 59° | — | — |
| 1983 | 78° | 52° | 65° | — | — |
| 1982 | 71° | 60° | 66° | — | — |
| 1981 | 60° | 52° | 56° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 65° | 54° | 59° | 0.13" | — |
| 1978 | 62° | 56° | 59° | — | — |
| 1977 | 60° | 54° | 57° | — | — |
| 1976 | 73° | 56° | 64° | — | — |
| 1975 | 82° | 55° | 69° | — | — |
| 1974 | 68° | 55° | 62° | — | — |
| 1973 | 69° | 57° | 63° | 0.05" | — |
| 1972 | 64° | 56° | 60° | — | — |
| 1971 | 59° | 53° | 56° | — | — |
55 years of data from SAN FRANCISCO DWTN