San Francisco March 21 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	65	52	0.00	n/a
2023	55	46	1.06	n/a
2022	64	48	0.00	n/a
2021	59	45	0.00	n/a
2020	63	49	0.00	n/a
2019	60	49	0.00	n/a
2018	64	53	0.35	n/a
2017	64	55	0.61	n/a
2016	61	49	0.41	n/a
2015	68	54	0.00	n/a
2014	61	50	0.00	n/a
2013	59	45	0.00	0.0
2012	65	50	0.00	0.0
2011	56	48	0.00	0.0
2010	62	50	0.00	n/a
2009	58	49	0.06	n/a
2008	63	47	0.00	n/a
2007	62	47	0.00	n/a
2006	55	43	0.05	n/a
2005	61	53	0.63	0.0
2004	62	52	0.00	n/a
2003	60	48	0.00	n/a
2002	60	49	0.00	n/a
2001	59	52	0.00	n/a
2000	75	53	0.00	n/a
1999	60	49	0.03	0.0
1998	62	54	0.08	n/a
1997	79	60	0.00	n/a
1996	61	51	0.00	n/a
1995	54	45	0.37	n/a
1994	63	49	0.01	n/a
1993	65	52	0.00	n/a
1992	67	56	0.00	n/a
1991	58	46	0.03	n/a
1990	66	50	0.00	n/a
1989	66	52	0.00	n/a
1988	65	52	0.00	n/a
1987	53	45	0.20	n/a
1986	68	52	0.00	n/a
1985	60	46	0.00	n/a
1984	62	47	0.00	n/a
1983	58	47	0.01	n/a
1982	58	45	0.00	n/a
1981	62	50	0.76	n/a
1980	59	48	0.00	n/a
1979	57	52	0.00	n/a
1978	62	57	0.30	n/a
1977	72	49	0.00	n/a
1976	67	48	0.00	n/a
1975	53	47	1.38	n/a
1974	54	50	0.00	n/a
1973	54	45	0.15	0.0
1972	57	48	0.00	0.0
1971	56	45	0.00	0.0
1970	64	49	0.00	0.0
1969	57	47	0.00	0.0
1968	69	52	0.00	0.0
1967	64	50	0.01	0.0
1966	57	48	0.00	0.0
1965	75	54	0.00	0.0
1964	53	46	0.20	0.0
1963	59	47	0.00	0.0
1962	53	48	0.02	0.0
1961	62	48	0.00	0.0
1960	60	49	0.00	0.0
1959	61	49	0.00	0.0
1958	59	50	1.05	0.0
1957	54	46	0.00	0.0
1956	62	48	0.00	0.0
1955	63	47	0.00	0.0
1954	55	45	0.66	0.0
1953	56	48	0.00	0.0
1952	58	46	0.00	0.0
1951	53	47	0.00	0.0
1950	63	50	0.00	0.0
1949	56	49	0.00	0.0
1948	59	46	0.00	n/a
1947	55	49	0.00	0.0
1946	55	49	0.00	0.0
1945	57	47	0.00	0.0
1944	68	52	0.00	0.0
1943	56	51	0.00	0.0
1942	69	51	0.00	0.0
1941	63	51	0.00	0.0
1940	60	51	0.00	0.0
1939	53	48	0.00	0.0
1938	52	43	0.04	0.0
1937	51	44	1.90	0.0
1936	63	49	0.00	0.0
1935	52	41	0.21	0.0
1934	66	52	0.00	0.0
1933	60	47	0.00	0.0
1932	69	50	0.00	0.0
1931	71	53	0.00	0.0
1930	61	51	0.00	0.0
1929	68	50	0.00	0.0
1928	70	54	0.00	0.0
1927	72	48	0.00	0.0
1926	80	55	0.00	0.0
1925	79	50	0.00	0.0
1924	58	45	0.00	0.0
1923	66	50	0.00	0.0
1922	60	48	0.00	0.0
1921	58	47	0.55	0.0

What's the all-time high for San Francisco on 3/21?

For the date of Mar 21, the highest temperature ever reached in San Francisco history is 80 °F which happened in 1926.

Highest Temperatures in San Francisco on March 21

Rank	Temperature	Year
1	80 °F	1926
2	79 °F	1925
2	79 °F	1997
4	75 °F	1965
4	75 °F	2000
6	72 °F	1927
6	72 °F	1977
8	71 °F	1931
9	70 °F	1928
10	69 °F	1932
10	69 °F	1968
10	69 °F	1942

What's the all-time low for San Francisco on 3/21?

For the date of Mar 21, the lowest temperature ever reached in San Francisco history is 41 °F which happened in 1935.

Lowest Temperatures in San Francisco on March 21

Rank	Temperature	Year
1	41 °F	1935
2	43 °F	2006
2	43 °F	1938
4	44 °F	1937
5	45 °F	1995
5	45 °F	1954
5	45 °F	1971
5	45 °F	1982
5	45 °F	1987
5	45 °F	2013
5	45 °F	2021
5	45 °F	1924
5	45 °F	1973

Lowest High Temperatures in San Francisco on March 21

Rank	Temperature	Year
1	51 °F	1937
2	52 °F	1935
2	52 °F	1938
4	53 °F	1964
4	53 °F	1939
4	53 °F	1951
4	53 °F	1975
4	53 °F	1962
4	53 °F	1987
10	54 °F	1957
10	54 °F	1995
10	54 °F	1973
10	54 °F	1974

What's the most it has ever rained in San Francisco on 3/21?

For the date of Mar 21, the most precipitation ever recorded in San Francisco history is 1.90 inches which happened in 1937.

All-Time Most Precipitation in San Francisco on March 21

Rank	Precipitation	Year
1	1.90 inches	1937
2	1.38 inches	1975
3	1.06 inches	2023
4	1.05 inches	1958
5	0.76 inches	1981
6	0.66 inches	1954
7	0.63 inches	2005
8	0.61 inches	2017
9	0.55 inches	1921
10	0.41 inches	2016

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location