5-day weather forecast San Francisco 06-04-2026

Weather forecast San Francisco today 06.04.2026: overcast, temperature from 10 °C to 14 °C.

No precipitation expected. Wind up to 5.5 m/s (gusts 7.33 m/s). Air humidity 79–100%, atmospheric pressure 762–764 mm Hg, UV index up to 7.3.

Sunrise 06:47
Sunset 19:38

Waning Gibbous86% illuminated
Moonrise below the horizon · Moonset 08:59

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Table

Mon, Apr 6, 2026

Tue, Apr 7 →

Forecast from 10 °C to 14 °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)	12	13	11	11	10	10	10	10	11	11	12	12	14	14	13	12	12	11	11	11	10	10	11	10
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 (%)	98	25	52	100	100	100	100	100	100	91	65	62	75	31	33	86	85	69	89	96	88	100	100	0
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)	1.89	2.31	2.39	2.39	2.11	2.19	2	1.69	1.69	2.31	3.11	3.89	4.11	4.31	5	5.11	5.5	5.31	5.39	4.69	4.19	4	3.5	3.39
Wind gust (m/s)	3.5	4.08	4.17	4.11	3.58	3.72	3.33	2.83	2.58	3.14	4.03	4.92	5.14	5.42	6.36	6.67	7.11	6.97	7.33	6.69	6.42	6.17	5.39	5.22
Wind direction (°)	WSW 248°	WSW 251°	W 263°	W 268°	W 265°	WSW 258°	WSW 256°	W 261°	W 261°	WSW 254°	WSW 254°	WSW 254°	WSW 258°	W 260°	WSW 258°	WSW 257°	W 261°	W 265°	W 267°	W 269°	W 269°	W 268°	W 266°	W 262°

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 (%)	99	89	95	99	98	100	100	100	99	92	86	84	86	79	79	94	94	92	95	96	95	97	97	83

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)	763	762	763	763	763	763	763	764	764	764	764	764	764	764	764	764	764	764	764	764	764	764	764	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	1.4	3	4.9	6.6	7.3	6.9	5.5	3.6	1.9	0.7	0.1	0	0	0	0

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)	14.5	14.8	15	15.2	15.6	15.9	16	15.8	15.4	15.1	14.9	15	15	15.2	15.2	15.2	15.2	15.1	15.1	14.7	14.5	14.4	14.3	14.2
PM10 (µg/m³)	20.1	20.3	21.1	21.4	21.9	22.4	22.4	22.2	21.7	21.3	21	21	21	21.3	21.4	21.2	21.2	21.2	21.1	20.5	20.4	20.5	20.5	20.3
Ozone (O₃) (µg/m³)	63	66	70	75	79	83	87	90	91	91	90	88	86	84	83	82	81	80	80	80	81	83	84	85
NO₂ (µg/m³)	13.6	11.8	9.9	8.1	6.6	5.7	5.1	4.8	4.7	4.9	5.4	6.4	7.6	8.6	9.1	9.2	9.1	8.7	8	7.2	6.2	5	4.3	4.3
SO₂ (µg/m³)	3.1	3.2	3.4	3.7	3.8	3.8	3.6	3.4	3.2	2.9	2.7	2.6	2.6	2.6	2.6	2.5	2.5	2.5	2.4	2.4	2.4	2.3	2.3	2.3
CO (µg/m³)	158.9	162.9	162.9	161.9	159.9	158.9	156.9	155.9	155.9	156.9	156.9	156.9	156.9	155.9	153.9	149.9	146.9	143.9	141.9	139.9	138.9	137.9	137.9	138.9

Mon, Apr 6, 2026

Tue, Apr 7 →

Frequently asked questions about the weather in San Francisco

Today in San Francisco the temperature ranges from 10 °C to 14 °C, wind up to 5.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in San Francisco today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in San Francisco today reaches up to 5.5 m/s with gusts up to 7.33 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in San Francisco today ranges from 79% to 100%. View the humidity chart above for hourly details.

The UV index in San Francisco today reaches up to 7.3. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in San Francisco today ranges from 762 to 764 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in San Francisco today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

San Francisco on the map

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 →