San Francisco August 15 Weather Records

Daily averages and all-time records for weather in San Francisco, California for the date of August 15.
August 15 All-Time Records
1921–2024
Highest temperature 87 °F 1950
Lowest temperature 49 °F 1955
Lowest daily high 57 °F 1944
Highest daily low 64 °F 2020
Most precipitation 0.36 inches 1976
August 15 Average Weather
1991–2020 1
Average high 68.5 °F
Average low 55.7 °F
Chance precipitation 3.8%
San Francisco August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 73 56 0.00 n/a
2022 72 56 0.00 n/a
2021 67 57 0.00 n/a
2020 86 64 0.00 n/a
2019 85 60 0.00 n/a
2018 67 58 0.00 n/a
2017 62 55 0.00 n/a
2016 64 53 0.00 n/a
2015 86 62 0.00 n/a
2014 69 58 0.00 n/a
2013 69 59 0.00 0.0
2012 63 56 0.00 0.0
2011 66 55 0.00 0.0
2010 62 54 0.00 n/a
2009 72 55 0.00 n/a
2008 68 54 0.00 n/a
2007 65 53 0.00 n/a
2006 61 53 0.00 0.0
2005 66 55 0.01 n/a
2004 66 56 0.00 n/a
2003 67 56 0.00 n/a
2002 65 55 0.00 n/a
2001 65 53 0.00 n/a
2000 69 52 0.00 0.0
1999 69 55 0.00 0.0
1998 63 55 0.00 0.0
1997 65 57 0.00 n/a
1996 77 53 0.00 n/a
1995 66 56 0.00 n/a
1994 82 56 0.00 n/a
1993 69 58 0.00 n/a
1992 80 58 0.00 n/a
1991 69 58 0.00 n/a
1990 69 58 0.00 n/a
1989 73 57 0.00 n/a
1988 65 55 0.00 n/a
1987 71 56 0.00 n/a
1986 68 58 0.00 n/a
1985 64 58 0.00 n/a
1984 64 55 0.00 n/a
1983 85 59 0.00 n/a
1982 71 55 0.00 n/a
1981 65 55 0.00 n/a
1980 65 53 0.00 n/a
1979 65 54 0.00 n/a
1978 63 54 0.00 n/a
1977 66 54 0.00 n/a
1976 66 56 0.36 n/a
1975 61 52 0.00 n/a
1974 61 55 0.00 n/a
1973 59 50 0.00 0.0
1972 65 55 0.00 0.0
1971 64 53 0.00 0.0
1970 59 51 0.00 0.0
1969 63 52 0.00 0.0
1968 67 57 0.00 0.0
1967 59 54 0.00 0.0
1966 68 51 0.00 0.0
1965 64 54 0.00 0.0
1964 63 55 0.00 0.0
1963 78 53 0.00 0.0
1962 74 53 0.00 0.0
1961 65 56 0.00 0.0
1960 68 53 0.00 0.0
1959 67 59 0.00 0.0
1958 63 54 0.00 0.0
1957 64 53 0.00 0.0
1956 66 54 0.00 0.0
1955 58 49 0.00 0.0
1954 65 53 0.00 0.0
1953 65 56 0.00 0.0
1952 64 52 0.00 0.0
1951 66 51 0.00 0.0
1950 87 54 0.00 0.0
1949 64 53 0.00 0.0
1948 66 54 0.00 0.0
1947 64 54 0.00 0.0
1946 62 55 0.00 0.0
1945 61 52 0.00 0.0
1944 57 52 0.00 0.0
1943 62 56 0.00 0.0
1942 66 58 0.00 0.0
1941 61 53 0.00 0.0
1940 66 55 0.00 0.0
1939 63 55 0.00 0.0
1938 66 55 0.00 0.0
1937 61 53 0.00 0.0
1936 61 54 0.00 0.0
1935 70 53 0.00 0.0
1934 68 54 0.00 0.0
1933 66 54 0.00 0.0
1932 66 52 0.00 0.0
1931 67 53 0.00 0.0
1930 69 58 0.00 0.0
1929 65 55 0.00 0.0
1928 66 54 0.00 0.0
1927 66 54 0.00 0.0
1926 60 51 0.00 0.0
1925 73 54 0.00 0.0
1924 62 52 0.00 0.0
1923 64 53 0.00 0.0
1922 70 52 0.00 0.0
1921 77 57 0.00 0.0
What's the all-time high for San Francisco on 8/15?
For the date of Aug 15, the highest temperature ever reached in San Francisco history is 87 °F which happened in 1950.
Highest Temperatures in San Francisco on August 15
Rank Temperature Year
1 87 °F 1950
2 86 °F 2015
2 86 °F 2020
4 85 °F 1983
4 85 °F 2019
6 82 °F 1994
7 80 °F 1992
8 78 °F 1963
9 77 °F 1996
9 77 °F 1921
What's the all-time low for San Francisco on 8/15?
For the date of Aug 15, the lowest temperature ever reached in San Francisco history is 49 °F which happened in 1955.
Lowest Temperatures in San Francisco on August 15
Rank Temperature Year
1 49 °F 1955
2 50 °F 1973
3 51 °F 1926
3 51 °F 1970
3 51 °F 1966
3 51 °F 1951
7 52 °F 1945
7 52 °F 1922
7 52 °F 1969
7 52 °F 1944
7 52 °F 1952
7 52 °F 1924
7 52 °F 1975
7 52 °F 1932
7 52 °F 2000
Lowest High Temperatures in San Francisco on August 15
Rank Temperature Year
1 57 °F 1944
2 58 °F 1955
3 59 °F 1970
3 59 °F 1973
3 59 °F 1967
6 60 °F 1926
7 61 °F 1937
7 61 °F 1945
7 61 °F 1974
7 61 °F 1975
7 61 °F 1941
7 61 °F 1936
7 61 °F 2006
What's the most it has ever rained in San Francisco on 8/15?
For the date of Aug 15, the most precipitation ever recorded in San Francisco history is 0.36 inches which happened in 1976.
All-Time Most Precipitation in San Francisco on August 15
Rank Precipitation Year
1 0.36 inches 1976
2 0.01 inches 2005
Weather Station Details
Years Station Coordinates
1921–2024 Downtown San Francisco location