San Francisco County, CA
An ordinary day in San Francisco County, CA: was cooler than 27 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 72.6°F averaged over San Francisco County, CA, the warmest 29 September in the county average since 2023, 28th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 53.1°F averaged over San Francisco County, CA, the coldest 29 September night in the county average since 2019, tied 32nd coldest of 76 (with 1998 and 1960) (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of San Francisco County, CA for 25 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 65.3°F in San Francisco County, CA, the warmest 1 to 29 September in the county average since 2022, tied 13th warmest of 76 (with 2004) (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 63.4°F in San Francisco County, CA, the warmest August in the county average since 2025, tied 23rd warmest of 132 (with 1977 and 1971) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 72.6 | 53.1 |
| 2025 | 64.7 | 60.2 |
| 2024 | 67.1 | 53.5 |
| 2023 | 72.9 | 53.9 |
| 2022 | 68.5 | 54.4 |
| 2021 | 72.8 | 53.8 |
| 2020 | 86.3 | 63.2 |
| 2019 | 66.5 | 50.1 |
| 2018 | 59.1 | 55 |
| 2017 | 79.6 | 53.9 |
| 2016 | 70.8 | 50.8 |
| 2015 | 66.2 | 53 |
| 2014 | 70.9 | 58.3 |
| 2013 | 78.6 | 54.1 |
| 2012 | 58.6 | 51.4 |
| 2011 | 85.2 | 63.6 |
| 2010 | 91.7 | 66.9 |
| 2009 | 61.5 | 53 |
| 2008 | 69 | 52.7 |
| 2007 | 62.8 | 48.3 |
| 2006 | 60.8 | 51.1 |
| 2005 | 80.5 | 54.1 |
| 2004 | 65.1 | 55.3 |
| 2003 | 65.2 | 54.9 |
| 2002 | 64.6 | 51.2 |
| 2001 | 72.1 | 51.2 |
| 2000 | 62.3 | 52.2 |
| 1999 | 82.1 | 61.4 |
| 1998 | 66.2 | 53.1 |
| 1997 | 83.2 | 61.2 |
| 1996 | 64.6 | 51.5 |
| 1995 | 70.6 | 53.2 |
| 1994 | 69.8 | 53.8 |
| 1993 | 72.2 | 54.4 |
| 1992 | 76.1 | 56.1 |
| 1991 | 72.1 | 52.8 |
| 1990 | 76.4 | 55.4 |
| 1989 | 66.3 | 55.1 |
| 1988 | 79.1 | 50.8 |
| 1987 | 75.6 | 53.3 |
| 1986 | 71.4 | 49.4 |
| 1985 | 62 | 51.6 |
| 1984 | 79.3 | 56.7 |
| 1983 | 69.6 | 53.6 |
| 1982 | 67.2 | 51.4 |
| 1981 | 69.7 | 48.8 |
| 1980 | 75.6 | 53 |
| 1979 | 72.9 | 54.8 |
| 1978 | 81.6 | 55.6 |
| 1977 | 67.9 | 59.6 |
| 1976 | 61.3 | 58.6 |
| 1975 | 66.1 | 50.9 |
| 1974 | 66.6 | 51.1 |
| 1973 | 80.1 | 51.8 |
| 1972 | 73.3 | 55.2 |
| 1971 | 63.5 | 49 |
| 1970 | 83.2 | 55.3 |
| 1969 | 73.2 | 56.5 |
| 1968 | 67.8 | 54.3 |
| 1967 | 66.1 | 55.8 |
| 1966 | 88.9 | 61.1 |
| 1965 | 72 | 48.2 |
| 1964 | 65.4 | 50.7 |
| 1963 | 74.1 | 54.8 |
| 1962 | 68.4 | 53.3 |
| 1961 | 69.2 | 47.9 |
| 1960 | 62.1 | 53.1 |
| 1959 | 74.3 | 56.2 |
| 1958 | 79.1 | 55.9 |
| 1957 | 67.4 | 56.4 |
| 1956 | 81.4 | 50.8 |
| 1955 | 63.1 | 45.2 |
| 1954 | 63.8 | 49.7 |
| 1953 | 70.5 | 48.7 |
| 1952 | 72.5 | 50.5 |
| 1951 | 65.9 | 56.1 |
Nearby
San Francisco Airport, CA 37.2 mi, the nearest city with its own station