5-day weather forecast San Francisco 04-04-2026

Weather forecast San Francisco Saturday, April 4 04.04.2026: sunny, temperature from 12 °C to 22 °C.

No precipitation expected. Wind up to 3.39 m/s (gusts 6.58 m/s). Air humidity 48–83%, atmospheric pressure 762–764 mm Hg, UV index up to 6.9.

Sunrise 06:54
Sunset 19:34

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Forecast from 12 °C to 22 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	14	13	13	13	13	13	13	12	13	14	16	17	19	20	21	22	22	20	19	17	16	15	15	13
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	6	6	6	6	7	7	7	7	7	3	2	0	0	0	0	0	0	0	7	10	14	18	21	7
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1.31	1.81	2	2.11	2.39	2.89	3.11	3.31	3.39	3.39	3.31	3.11	2.89	2.69	1.89	1.5	1.69	2.5	3	2.81	2.61	2.11	1.61	1
Wind gust (m/s)	2.72	3.78	4.19	4.33	4.94	5.92	6.25	6.58	5.97	5.11	4.72	4.58	4.58	4.39	3.17	2.67	3.22	4.92	6.22	5.89	5.47	4.42	3.36	2.11
Wind direction (°)	NE 48°	NE 50°	ENE 65°	ENE 64°	NE 51°	NE 44°	NE 46°	NE 52°	NE 55°	NE 55°	NE 53°	NE 48°	NE 44°	NE 41°	NNE 33°	N 4°	NNW 329°	NW 304°	WNW 294°	WNW 283°	W 281°	WNW 282°	WNW 286°	WNW 303°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	81	82	82	81	80	79	75	73	71	66	64	62	55	52	49	48	48	48	61	68	74	80	83	79

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	764	764	764	764	764	764	764	764	764	764	764	764	764	764	763	763	762	762	762	762	762	762	762	764

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0.4	1.3	2.8	4.7	6.2	6.9	6.6	5.3	3.5	1.8	0.6	0.1	0	0	0	0

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Sat, Apr 4, 2026

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Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →