San Francisco March 18 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	60	51	0.00	n/a
2023	64	49	0.02	n/a
2022	64	48	0.00	n/a
2021	54	49	0.43	n/a
2020	55	47	0.03	n/a
2019	73	51	0.00	n/a
2018	56	45	0.00	n/a
2017	64	53	0.00	n/a
2016	61	52	0.00	n/a
2015	66	52	0.00	n/a
2014	69	50	0.00	n/a
2013	62	47	0.00	0.0
2012	51	44	0.00	0.0
2011	54	48	0.97	0.0
2010	72	50	0.00	n/a
2009	67	49	0.00	n/a
2008	62	49	0.00	n/a
2007	63	49	0.00	n/a
2006	58	44	0.00	n/a
2005	57	53	0.56	0.0
2004	81	52	0.00	n/a
2003	61	48	0.00	n/a
2002	59	44	0.00	n/a
2001	73	49	0.00	n/a
2000	70	52	0.00	n/a
1999	60	47	0.00	0.0
1998	70	48	0.00	n/a
1997	76	52	0.00	n/a
1996	79	53	0.00	n/a
1995	64	52	0.25	n/a
1994	62	52	0.00	n/a
1993	66	54	0.12	n/a
1992	71	50	0.00	n/a
1991	61	44	0.00	n/a
1990	65	49	0.00	n/a
1989	57	52	1.57	n/a
1988	74	47	0.00	n/a
1987	57	48	0.06	n/a
1986	74	54	0.00	n/a
1985	58	47	0.07	n/a
1984	63	47	0.00	n/a
1983	59	48	0.00	n/a
1982	52	44	0.09	n/a
1981	56	50	0.63	n/a
1980	64	49	0.00	n/a
1979	54	50	0.04	n/a
1978	77	62	0.00	n/a
1977	62	48	0.00	n/a
1976	55	48	0.24	n/a
1975	63	52	0.00	n/a
1974	60	49	0.00	n/a
1973	56	43	0.00	0.0
1972	63	48	0.00	0.0
1971	67	50	0.00	0.0
1970	65	54	0.00	0.0
1969	58	49	0.02	0.0
1968	60	49	0.00	0.0
1967	58	50	0.02	0.0
1966	60	50	0.00	0.0
1965	60	47	0.00	0.0
1964	71	54	0.00	0.0
1963	60	46	0.00	0.0
1962	66	49	0.00	0.0
1961	62	49	0.00	0.0
1960	77	56	0.00	0.0
1959	61	50	0.00	0.0
1958	62	47	0.00	0.0
1957	63	49	0.00	0.0
1956	54	47	0.00	0.0
1955	67	47	0.00	0.0
1954	52	45	0.00	0.0
1953	57	47	0.37	0.0
1952	54	47	0.30	0.0
1951	76	55	0.00	0.0
1950	57	47	0.02	0.0
1949	63	53	0.00	0.0
1948	52	45	0.21	n/a
1947	55	50	0.00	0.0
1946	52	47	0.00	0.0
1945	56	44	0.00	0.0
1944	72	53	0.00	0.0
1943	60	46	0.00	0.0
1942	62	50	0.00	0.0
1941	60	53	0.00	0.0
1940	69	55	0.00	0.0
1939	57	49	0.00	0.0
1938	56	49	0.30	0.0
1937	54	45	0.00	0.0
1936	67	50	0.00	0.0
1935	55	46	0.00	0.0
1934	65	50	0.00	0.0
1933	64	50	0.00	0.0
1932	60	51	0.00	0.0
1931	64	56	0.40	0.0
1930	64	50	0.00	0.0
1929	59	48	0.00	0.0
1928	76	53	0.00	0.0
1927	61	45	0.00	0.0
1926	57	52	0.23	0.0
1925	67	49	0.00	0.0
1924	66	53	0.00	0.0
1923	77	54	0.00	0.0
1922	57	44	0.00	0.0
1921	57	50	0.05	0.0

What's the all-time high for San Francisco on 3/18?

For the date of Mar 18, the highest temperature ever reached in San Francisco history is 81 °F which happened in 2004.

Highest Temperatures in San Francisco on March 18

Rank	Temperature	Year
1	81 °F	2004
2	79 °F	1996
3	77 °F	1960
3	77 °F	1978
3	77 °F	1923
6	76 °F	1997
6	76 °F	1951
6	76 °F	1928
9	74 °F	1988
9	74 °F	1986

What's the all-time low for San Francisco on 3/18?

For the date of Mar 18, the lowest temperature ever reached in San Francisco history is 43 °F which happened in 1973.

Lowest Temperatures in San Francisco on March 18

Rank	Temperature	Year
1	43 °F	1973
2	44 °F	1982
2	44 °F	2002
2	44 °F	2012
2	44 °F	2006
2	44 °F	1991
2	44 °F	1945
2	44 °F	1922
9	45 °F	1927
9	45 °F	2018
9	45 °F	1937
9	45 °F	1954
9	45 °F	1948

Lowest High Temperatures in San Francisco on March 18

Rank	Temperature	Year
1	51 °F	2012
2	52 °F	1946
2	52 °F	1948
2	52 °F	1982
2	52 °F	1954
6	54 °F	2021
6	54 °F	1937
6	54 °F	1956
6	54 °F	1952
6	54 °F	2011
6	54 °F	1979

What's the most it has ever rained in San Francisco on 3/18?

For the date of Mar 18, the most precipitation ever recorded in San Francisco history is 1.57 inches which happened in 1989.

All-Time Most Precipitation in San Francisco on March 18

Rank	Precipitation	Year
1	1.57 inches	1989
2	0.97 inches	2011
3	0.63 inches	1981
4	0.56 inches	2005
5	0.43 inches	2021
6	0.40 inches	1931
7	0.37 inches	1953
8	0.30 inches	1938
8	0.30 inches	1952
10	0.25 inches	1995

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location