San Francisco Airport, CA: August

31 August 2026: August 2026 averaged 64.4°F in San Francisco Airport, CA, the warmest August since 2025, tied 23rd warmest of 81 (with 2013, 2008, 2007 and 3 other years).

August 2026

Mean temperature: 64.4°F; Warmest since 2025; 23rd warmest of 81
Precipitation: 0.03 in; Wettest since 2024; 16th wettest of 81

A normal August in San Francisco Airport, CA (1991 to 2020): a mean temperature of 64.3°F, between 62.8°F and 67°F in eight years of ten and 0.00 in of precipitation, between 0.00 in and 0.07 in in eight years of ten.

The mean temperature of every August in San Francisco Airport, CA since 1945: 64.4°F in 2026; the highest is 68.4°F, in 2019.

Normal range, 62.8 to 67°F

Every year, ranked, as a table

Every August in San Francisco Airport, CA from 1945 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	64.4	23	71.5	53	57.4	15	0.03	16	0
2025	65.5	16	73.1	26	57.9	11	trace	26	0
2024	62.4	63	70.2	67	54.5	54	0.10	8	0
2023	68.2	2	76.6	3	59.7	4	0.03	16	0
2022	66.9	7	74.9	9	58.9	7	0.01	21	0
2021	65.4	17	73.4	22	57.4	15	0.00	69	0
2020	67	5	76.1	4	57.9	11	0.05	14	0
2019	68.4	1	77.3	1	59.5	5	0.00	69	0
2018	62.8	59	70.5	65	55.2	44	0.00	69	0
2017	65.9	14	73	29	58.7	9	trace	26	0
2016	63.8	39	70.9	62	56.7	21	0.00	69	0
2015	68	3	75.6	7	60.4	1	trace	26	0
2014	67	5	74	14	60	2	trace	26	0
2013	64.4	23	71.6	52	57.3	17	trace	26	0
2012	61.6	70	68.8	77	54.5	54	trace	26	0
2011	62.2	64	69.4	73	54.9	49	0.00	69	0
2010	63.5	45	71.3	58	55.8	34	trace	26	0
2009	65.6	15	74.5	10	56.7	21	0.00	69	0
2008	64.4	23	72.5	33	56.2	30	0.01	21	0
2007	64.4	23	72.1	39	56.7	21	0.00	69	0
2006	63.4	48	71.2	60	55.7	37	0.00	69	0
2005	63.4	48	71.5	53	55.3	42	0.00	69	0
2004	66.5	11	74	14	59	6	trace	26	0
2003	66.4	12	73.9	18	58.9	7	trace	26	0
2002	64.3	30	72.4	34	56.3	26	0.00	69	0
2001	63.1	53	70	68	56.3	26	0.00	69	0
2000	63.6	43	71.9	44	55.2	44	0.01	21	0
1999	63.8	39	71.2	60	56.4	25	0.06	12	0
1998	64.3	30	73.1	26	55.4	39	0.00	69	0
1997	66.9	7	74	14	59.8	3	0.60	2	0
1996	62.7	61	71.7	48	53.7	63	0.00	69	0
1995	63	54	72.2	37	53.7	63	trace	26	0
1994	64.4	23	74	14	54.9	49	trace	26	0
1993	66.8	9	75.8	6	57.9	11	trace	26	1
1992	63.7	41	72.1	39	55.4	39	0.14	6	0
1991	64.3	30	71.4	56	57.3	17	0.27	4	0
1990	66.3	13	74.1	12	58.5	10	trace	26	0
1989	64	35	73.2	24	54.7	52	trace	26	0
1988	64.9	21	73.6	20	56.3	26	trace	26	0
1987	65	20	73.8	19	56.3	26	trace	26	0
1986	61.1	75	69.1	76	53.2	69	trace	26	0
1985	64	35	72.8	32	55.1	46	0.02	20	0
1984	64.4	23	74.1	12	54.6	53	0.11	7	0
1983	66.8	9	76.1	4	57.6	14	trace	26	0
1982	63.3	50	72.2	37	54.4	56	trace	26	0
1981	62.9	57	71.9	44	54	59	trace	26	0
1980	61.5	72	69.8	70	53.2	69	trace	26	0
1979	63.6	43	71.5	53	55.8	34	trace	26	0
1978	63.2	52	72.1	39	54.3	57	trace	26	0
1977	64	35	71.4	56	56.7	21	trace	26	0
1976	64.3	30	71.8	47	56.8	20	0.66	1	0
1975	63	54	72.4	34	53.6	65	0.21	5	0
1974	63.7	41	72.3	36	55.1	46	trace	26	0
1973	60.7	77	68.8	77	52.5	75	trace	26	0
1972	64	35	72	43	55.9	33	trace	26	0
1971	65.1	19	74.2	11	56.1	31	trace	26	0
1970	61.6	70	70	68	53.2	69	trace	26	0
1969	63	54	73.3	23	52.6	73	trace	26	0
1968	64.7	22	73.5	21	56	32	0.06	12	0
1967	62.8	59	71.7	48	53.9	60	trace	26	0
1966	62.2	64	71.7	48	52.8	72	0.09	9	0
1965	63.3	50	71.3	58	55.3	42	0.29	3	0
1964	64.2	34	73.1	26	55.4	39	0.01	21	0
1963	63.5	45	73	29	53.9	60	trace	26	0
1962	63.5	45	73.2	24	53.9	60	0.03	16	0
1961	64.4	23	73	29	55.8	34	0.05	14	0
1960	62.1	67	71.7	48	52.4	76	trace	26	0
1959	65.4	17	75.2	8	55.6	38	trace	26	0
1958	67.2	4	77.1	2	57.3	17	trace	26	0
1957	62.6	62	71.9	44	53.4	68	trace	26	0
1956	62.1	67	70.8	63	53.5	67	trace	26	0
1955	59.7	80	69.5	71	49.9	81	trace	26	0
1954	61.1	75	69.5	71	52.6	73	0.01	21	0
1953	62	69	69.2	74	54.9	49	0.03	16	0
1952	60.2	79	68.6	79	51.7	79	trace	26	0
1951	61.3	74	70.4	66	52.3	77	0.09	9	0
1950	62.2	64	72.1	39	52.3	77	trace	26	0
1949	60.3	78	66.5	81	54.1	58	0.08	11	0
1948	61.4	73	69.2	74	53.6	65	trace	26	0
1947	62.9	57	70.8	63	55	48	trace	26	0
1946									8
1945	59.4	81	67.7	80	51	80	trace	26	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2019	68.4
2023	68.2
2015	68
1958	67.2
2020	67
2014	67
2022	66.9
1997	66.9
1993	66.8
1983	66.8

Coldest
Year	Mean, °F
1945	59.4
1955	59.7
1952	60.2
1949	60.3
1973	60.7
1986	61.1
1954	61.1
1951	61.3
1948	61.4
1980	61.5

Wettest
Year	Precipitation, in
1976	0.66
1997	0.60
1965	0.29
1991	0.27
1975	0.21
1992	0.14
1984	0.11
2024	0.10
1966	0.09
1951	0.09

Driest
Year	Precipitation, in
2021	0.00
2019	0.00
2018	0.00
2016	0.00
2011	0.00
2009	0.00
2007	0.00
2006	0.00
2005	0.00
2002	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 80°F; 2 August 2026
Coldest night: 55°F; 26 August 2026
Wettest day: 0.02 in; 14 August 2026

Every month, season and year

Months

Seasons

Years

San Francisco Airport, CA the day's answers

All-time records

Every answer in words

August 2026 brought 0.03 in of precipitation in San Francisco Airport, CA, the wettest August since 2024, tied 16th wettest of 81 (with 2023, 1962 and 1953).
The hottest day of August 2026 in San Francisco Airport, CA: 80°F on Sunday 2 August 2026.
The coldest night of August 2026 in San Francisco Airport, CA: a low of 55°F on Wednesday 26 August 2026.
The wettest day of August 2026 in San Francisco Airport, CA: 0.02 in on Friday 14 August 2026.