Point Forecast: San Francisco International Airport CA  37.62N 122.37W (Elev. 3 ft)	Last Update: 1:26 am PDT Apr 20, 2025

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Weather Elements Weather/Precipitation Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 3am Sun, Apr 20 20254am Sun, Apr 20 20255am Sun, Apr 20 20256am Sun, Apr 20 20257am Sun, Apr 20 20258am Sun, Apr 20 20259am Sun, Apr 20 202510am Sun, Apr 20 202511am Sun, Apr 20 202512pm Sun, Apr 20 20251pm Sun, Apr 20 20252pm Sun, Apr 20 20253pm Sun, Apr 20 20254pm Sun, Apr 20 20255pm Sun, Apr 20 20256pm Sun, Apr 20 20257pm Sun, Apr 20 20258pm Sun, Apr 20 20259pm Sun, Apr 20 202510pm Sun, Apr 20 202511pm Sun, Apr 20 202512am Mon, Apr 21 20251am Mon, Apr 21 20252am Mon, Apr 21 20253am Mon, Apr 21 20254am Mon, Apr 21 20255am Mon, Apr 21 20256am Mon, Apr 21 20257am Mon, Apr 21 20258am Mon, Apr 21 20259am Mon, Apr 21 202510am Mon, Apr 21 202511am Mon, Apr 21 202512pm Mon, Apr 21 20251pm Mon, Apr 21 20252pm Mon, Apr 21 20253pm Mon, Apr 21 20254pm Mon, Apr 21 20255pm Mon, Apr 21 20256pm Mon, Apr 21 20257pm Mon, Apr 21 20258pm Mon, Apr 21 20259pm Mon, Apr 21 202510pm Mon, Apr 21 202511pm Mon, Apr 21 202512am Tue, Apr 22 20251am Tue, Apr 22 20252am Tue, Apr 22 20253am Tue, Apr 22 20254am Tue, Apr 22 20255am Tue, Apr 22 20256am Tue, Apr 22 20257am Tue, Apr 22 20258am Tue, Apr 22 20259am Tue, Apr 22 202510am Tue, Apr 22 202511am Tue, Apr 22 202512pm Tue, Apr 22 20251pm Tue, Apr 22 20252pm Tue, Apr 22 20253pm Tue, Apr 22 20254pm Tue, Apr 22 20255pm Tue, Apr 22 20256pm Tue, Apr 22 20257pm Tue, Apr 22 20258pm Tue, Apr 22 20259pm Tue, Apr 22 202510pm Tue, Apr 22 202511pm Tue, Apr 22 202512am Wed, Apr 23 20251am Wed, Apr 23 20252am Wed, Apr 23 20253am Wed, Apr 23 20254am Wed, Apr 23 20255am Wed, Apr 23 20256am Wed, Apr 23 20257am Wed, Apr 23 20258am Wed, Apr 23 20259am Wed, Apr 23 202510am Wed, Apr 23 202511am Wed, Apr 23 202512pm Wed, Apr 23 20251pm Wed, Apr 23 20252pm Wed, Apr 23 20253pm Wed, Apr 23 20254pm Wed, Apr 23 20255pm Wed, Apr 23 20256pm Wed, Apr 23 20257pm Wed, Apr 23 20258pm Wed, Apr 23 20259pm Wed, Apr 23 202510pm Wed, Apr 23 202511pm Wed, Apr 23 202512am Thu, Apr 24 20251am Thu, Apr 24 20252am Thu, Apr 24 20253am Thu, Apr 24 20254am Thu, Apr 24 20255am Thu, Apr 24 20256am Thu, Apr 24 20257am Thu, Apr 24 20258am Thu, Apr 24 20259am Thu, Apr 24 202510am Thu, Apr 24 202511am Thu, Apr 24 202512pm Thu, Apr 24 20251pm Thu, Apr 24 20252pm Thu, Apr 24 2025

Date	04/20																					04/21
Hour (PDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°F)	51	51	50	50	50	51	53	56	58	60	62	63	65	64	63	61	57	56	54	54	54	53	53	52
Dewpoint (°F)	48	47	47	47	48	48	48	50	50	52	51	52	51	51	50	50	48	49	49	48	48	48	48	48
Wind Chill (°F)			50	50
Surface Wind (mph)	2	2	2	1	1	1	1	2	2	5	6	8	9	10	11	11	10	9	9	8	7	6	6	5
Wind Dir	SW	SW	SW	SW	SW	SSW	SSW	N	NNE	NW	WNW	WNW	W	W	W	W	W	W	W	W	WSW	SW	SW	SW
Gust
Sky Cover (%)	70	68	71	71	67	62	57	43	18	12	23	29	29	27	20	14	13	14	15	14	9	8	8	11
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	88	88	90	91	90	88	84	82	76	74	69	65	62	62	62	66	72	76	81	82	83	83	84	85
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																						04/22
Hour (PDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°F)	51	51	50	50	51	52	56	58	61	64	67	69	70	69	68	65	62	60	58	57	56	55	54	53
Dewpoint (°F)	47	47	47	48	48	48	50	50	51	52	52	52	51	50	50	49	49	49	49	49	49	49	49	48
Wind Chill (°F)			50	50
Surface Wind (mph)	3	2	2	2	2	2	1	0	2	2	2	9	9	9	14	14	14	9	9	9	6	6	6	3
Wind Dir	SW	SSW	SSW	NW	NNE	E	ENE	NNE	N	N	N	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	WSW
Gust
Sky Cover (%)	11	14	12	15	15	18	15	6	7	7	7	2	2	2	2	2	2	5	5	5	6	6	6	13
Precipitation Potential (%)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	87	88	92	91	89	86	79	75	70	64	58	54	52	52	53	56	61	66	70	74	77	79	81	83
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph River Stage Summary 24 Hour Precipitation Summary NWS Office Map