San Francisco April 18 Weather Records

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	70	51	0.00	n/a
2023	57	46	0.00	n/a
2022	65	46	0.01	n/a
2021	70	47	0.00	n/a
2020	62	54	0.00	n/a
2019	75	51	0.00	n/a
2018	57	49	0.00	n/a
2017	63	53	0.03	n/a
2016	83	58	0.00	n/a
2015	60	50	0.00	n/a
2014	60	51	0.00	n/a
2013	70	50	0.00	n/a
2012	63	50	0.00	0.0
2011	62	51	0.03	0.0
2010	75	51	0.00	0.0
2009	69	47	0.00	n/a
2008	56	47	0.00	0.0
2007	55	45	0.00	0.0
2006	66	46	0.00	n/a
2005	61	46	0.00	n/a
2004	57	49	0.01	0.0
2003	61	49	0.00	n/a
2002	58	44	0.00	n/a
2001	66	50	0.06	n/a
2000	63	50	0.00	n/a
1999	62	50	0.00	n/a
1998	64	47	0.00	n/a
1997	70	52	0.20	n/a
1996	62	47	0.00	n/a
1995	59	46	0.03	n/a
1994	68	54	0.00	n/a
1993	64	50	0.10	n/a
1992	79	52	0.00	0.0
1991	62	49	0.00	n/a
1990	63	52	0.00	n/a
1989	73	52	0.00	n/a
1988	64	51	0.00	n/a
1987	60	48	0.00	n/a
1986	74	49	0.00	n/a
1985	59	49	0.00	n/a
1984	57	47	0.44	n/a
1983	63	53	0.24	n/a
1982	68	51	0.00	n/a
1981	52	50	0.05	n/a
1980	63	52	0.00	n/a
1979	55	47	0.00	n/a
1978	61	51	0.00	n/a
1977	69	51	0.00	n/a
1976	62	48	0.00	n/a
1975	56	48	0.00	n/a
1974	58	48	0.01	n/a
1973	56	47	0.00	0.0
1972	64	46	0.00	0.0
1971	57	47	0.00	0.0
1970	58	48	0.00	0.0
1969	58	49	0.00	0.0
1968	63	49	0.00	0.0
1967	52	43	0.28	0.0
1966	60	49	0.00	0.0
1965	62	52	0.52	0.0
1964	57	46	0.00	0.0
1963	56	48	0.51	0.0
1962	62	49	0.00	0.0
1961	56	47	0.00	0.0
1960	62	50	0.00	0.0
1959	61	49	0.00	0.0
1958	63	53	0.00	0.0
1957	59	49	0.02	0.0
1956	68	49	0.00	0.0
1955	52	42	0.04	0.0
1954	65	50	0.00	0.0
1953	70	49	0.00	0.0
1952	61	49	0.00	0.0
1951	60	49	0.00	0.0
1950	81	53	0.00	0.0
1949	56	49	0.00	0.0
1948	65	50	0.00	n/a
1947	67	51	0.00	0.0
1946	61	49	0.00	0.0
1945	63	51	0.00	0.0
1944	56	49	0.00	0.0
1943	61	50	0.00	0.0
1942	63	50	0.00	0.0
1941	63	50	0.00	0.0
1940	68	54	0.00	0.0
1939	61	47	0.00	0.0
1938	75	58	0.00	0.0
1937	58	47	0.00	0.0
1936	62	53	0.00	0.0
1935	73	51	0.00	0.0
1934	61	51	0.00	0.0
1933	58	43	0.00	0.0
1932	68	53	0.00	0.0
1931	64	48	0.00	0.0
1930	64	54	0.01	0.0
1929	58	49	0.25	0.0
1928	62	49	0.00	0.0
1927	65	47	0.00	0.0
1926	61	52	0.00	0.0
1925	61	52	0.29	0.0
1924	77	50	0.00	0.0
1923	62	48	0.00	0.0
1922	71	48	0.00	0.0
1921	61	48	0.00	0.0

What's the all-time high for San Francisco on 4/18?

For the date of Apr 18, the highest temperature ever reached in San Francisco history is 83 °F which happened in 2016.

Highest Temperatures in San Francisco on April 18

Rank	Temperature	Year
1	83 °F	2016
2	81 °F	1950
3	79 °F	1992
4	77 °F	1924
5	75 °F	1938
5	75 °F	2019
5	75 °F	2010
8	74 °F	1986
9	73 °F	1989
9	73 °F	1935

What's the all-time low for San Francisco on 4/18?

For the date of Apr 18, the lowest temperature ever reached in San Francisco history is 42 °F which happened in 1955.

Lowest Temperatures in San Francisco on April 18

Rank	Temperature	Year
1	42 °F	1955
2	43 °F	1933
2	43 °F	1967
4	44 °F	2002
5	45 °F	2007
6	46 °F	2022
6	46 °F	1972
6	46 °F	2005
6	46 °F	1995
6	46 °F	1964
6	46 °F	2023
6	46 °F	2006

Lowest High Temperatures in San Francisco on April 18

Rank	Temperature	Year
1	52 °F	1955
1	52 °F	1967
1	52 °F	1981
4	55 °F	1979
4	55 °F	2007
6	56 °F	1949
6	56 °F	1944
6	56 °F	1963
6	56 °F	1973
6	56 °F	1961
6	56 °F	2008
6	56 °F	1975

What's the most it has ever rained in San Francisco on 4/18?

For the date of Apr 18, the most precipitation ever recorded in San Francisco history is 0.52 inches which happened in 1965.

All-Time Most Precipitation in San Francisco on April 18

Rank	Precipitation	Year
1	0.52 inches	1965
2	0.51 inches	1963
3	0.44 inches	1984
4	0.29 inches	1925
5	0.28 inches	1967
6	0.25 inches	1929
7	0.24 inches	1983
8	0.20 inches	1997
9	0.10 inches	1993
10	0.06 inches	2001

Weather Station Details

Years	Station	Coordinates
1921–2024	Downtown San Francisco	location