Weather on February 18
San Francisco, CA
55 Years of Data
Avg High
60°F
Avg Low
48°F
Warmest
1981
63°F avg
Coldest
2011
43°F avg
About This Date
February 18th in San Francisco, CA typically brings mild winter weather, with average highs around 60°F and lows near 48°F. Over 56 years of records, the warmest February 18th was in 1981 (63°F average), while the coldest was 2011 (43°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 41% of February 18th dates historically, with the wettest February 18th recording 4.32" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in San Francisco, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 52° | 41° | 46° | 0.94" | — |
| 2025 | 62° | 46° | 54° | — | — |
| 2024 | 64° | 51° | 58° | 0.56" | — |
| 2023 | 63° | 43° | 53° | — | — |
| 2022 | 66° | 49° | 57° | — | — |
| 2021 | 62° | 46° | 54° | — | — |
| 2020 | 67° | 49° | 58° | — | — |
| 2019 | 55° | 43° | 49° | — | — |
| 2018 | 53° | 44° | 49° | — | — |
| 2017 | 55° | 51° | 53° | 0.3" | — |
| 2016 | 61° | 48° | 54° | 0.36" | — |
| 2015 | 62° | 53° | 58° | — | — |
| 2014 | 61° | 49° | 55° | — | — |
| 2013 | 51° | 47° | 49° | — | — |
| 2012 | 58° | 47° | 52° | — | — |
| 2011coldest | 47° | 40° | 43° | 2.24" | — |
| 2010 | 57° | 50° | 54° | — | — |
| 2009 | 59° | 47° | 53° | — | — |
| 2008 | 56° | 47° | 51° | — | — |
| 2007 | 58° | 47° | 52° | — | — |
| 2006 | 48° | 39° | 44° | 0.23" | — |
| 2005 | 65° | 51° | 58° | 2.11" | — |
| 2004 | 58° | 49° | 53° | 0.41" | — |
| 2003 | 61° | 46° | 53° | — | — |
| 2002 | 54° | 48° | 51° | — | — |
| 2001 | 58° | 50° | 54° | 0.23" | — |
| 2000 | 63° | 46° | 54° | — | — |
| 1999 | 57° | 48° | 53° | 0.53" | — |
| 1998 | 60° | 48° | 54° | 0.23" | — |
| 1997 | 65° | 47° | 56° | — | — |
| 1996 | 66° | 56° | 61° | 0.74" | — |
| 1995 | 69° | 51° | 60° | — | — |
| 1994 | 52° | 43° | 47° | 0.81" | — |
| 1993 | 59° | 51° | 55° | 2.06" | — |
| 1992 | 60° | 50° | 55° | 0.74" | — |
| 1991 | 68° | 47° | 57° | — | — |
| 1990 | 53° | 38° | 45° | — | — |
| 1989 | 56° | 48° | 52° | 0.2" | — |
| 1988 | 67° | 46° | 56° | — | — |
| 1987 | 66° | 47° | 56° | — | — |
| 1986 | 66° | 56° | 61° | 4.32" | — |
| 1985 | 71° | 47° | 59° | — | — |
| 1984 | 58° | 44° | 51° | — | — |
| 1983 | 57° | 50° | 54° | 1.52" | — |
| 1982 | 64° | 49° | 56° | — | — |
| 1981warmest | 74° | 53° | 63° | — | — |
| 1980 | 64° | 56° | 60° | 0.38" | — |
| 1979 | 55° | 50° | 53° | 0.89" | — |
| 1978 | 64° | 52° | 58° | — | — |
| 1977 | 73° | 49° | 61° | — | — |
| 1976 | 54° | 49° | 51° | 0.03" | — |
| 1975 | 57° | 45° | 51° | 0.03" | — |
| 1974 | 53° | 46° | 50° | — | — |
| 1973 | 60° | 48° | 54° | — | — |
| 1972 | 64° | 54° | 59° | — | — |
| 1971 | 55° | 46° | 51° | 0.33" | — |
56 years of data from SAN FRANCISCO DWTN