5-day weather forecast San Francisco 25-06-2026

Weather forecast San Francisco today 25.06.2026: sunny, temperature from 12 °C to 19 °C.

Precipitation probability 35%. Wind up to 6.61 m/s (gusts 9.33 m/s). Air humidity 75–100%, atmospheric pressure 758–761 mm Hg, UV index up to 8.8.

Weather Alerts

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MinorJun 25, 04:21 PM — Jun 26, 12:30 AMTranslate with Google

Small Craft Advisory issued June 25 at 9:21AM PDT until June 27 at 3:00AM PDT by NWS San Francisco CA

Small Craft Advisory

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and choppy waters expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...From 3 PM this afternoon to 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

MinorJun 25, 08:21 PM — Jun 26, 04:30 AMTranslate with Google

Small Craft Advisory issued June 25 at 1:21PM PDT until June 27 at 3:00AM PDT by NWS San Francisco CA

Small Craft Advisory

* WHAT...West winds 10 to 20 kt with gusts to 25 kt and choppy waters expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...From 3 PM this afternoon to 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

MinorJun 26, 03:38 AM — Jun 26, 11:45 AMTranslate with Google

Small Craft Advisory issued June 25 at 8:38PM PDT until June 27 at 3:00AM PDT by NWS San Francisco CA

Small Craft Advisory

* WHAT...West winds 15 to 25 kt and choppy waters. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...Until 3 AM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Sunrise 05:49
Sunset 20:35

Waxing Gibbous87% illuminated
Moonrise 17:28 · Moonset 02:29

Chart

Table

Thu, Jun 25, 2026

Fri, Jun 26 →

Forecast from 12 °C to 19 °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)	13	12	13	13	13	13	13	14	14	14	16	17	17	18	18	19	18	17	17	15	14	14	13	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 (%)	100	100	100	100	100	100	100	100	100	100	100	74	38	17	44	15	12	23	27	12	7	75	10	11
Rain chance (%)	35	35	35	35	33	33	33	33	33	33	27	19	13	10	13	10	9	12	13	12	9	10	11	12

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)	4.11	4	3.61	3.61	3.5	3.69	3.61	3.5	3.69	3.61	3.61	3.69	4.31	5	5.31	5.69	5.81	5.81	6.61	6.39	5.81	6	6.31	6.19
Wind gust (m/s)	5.92	5.78	4.92	5	4.89	5.14	5.03	4.75	4.83	4.5	4.14	4.25	4.94	5.75	6.11	6.56	6.67	6.92	8.17	8.33	8	8.81	9.33	9.03
Wind direction (°)	WSW 241°	SW 232°	SW 233°	SW 226°	SW 222°	SW 221°	SW 220°	SW 214°	SW 225°	SW 222°	SW 227°	SW 232°	SW 235°	WSW 244°	WSW 244°	WSW 247°	WSW 249°	WSW 253°	WSW 258°	W 260°	WSW 256°	W 260°	W 267°	W 265°

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 (%)	100	100	100	100	95	96	95	96	95	96	88	82	81	77	80	77	75	81	85	81	79	81	83	86

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)	760	760	761	760	760	760	760	760	761	761	760	760	760	760	760	759	759	759	758	758	758	760	759	759

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	0.2	0.7	1.7	3.7	6.1	8.2	8.8	8.5	7.2	5.2	3.1	1.5	0.5	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)	8.8	9.6	10.5	11.3	12	7.3	7.7	8.1	8.6	9.1	9.9	10.9	11.9	12.6	12.8	12.7	12.5	12.6	12.5	12.5	12.7	12.7	12.6	11.4
PM10 (µg/m³)	12.7	14	15.4	16.6	17.8	10.7	11.3	12	12.7	13.5	14.6	16.1	17.6	18.6	18.9	18.9	18.8	19.1	19.3	19.3	19.7	19.7	19.5	17.8
Ozone (O₃) (µg/m³)	69	70	71	71	70	67	66	66	65	65	65	65	66	67	67	65	62	59	57	56	56	56	57	58
NO₂ (µg/m³)	5.4	5.2	5	4.9	4.8	3.9	4	4.1	4.3	4.7	5.1	5.3	5	4.5	4.2	4.4	4.7	5.3	6.2	7.2	7.8	7.5	6.7	5.9
SO₂ (µg/m³)	1.4	1.4	1.3	1.3	1.2	1.1	1.1	1	1	1	1.1	1.2	1.3	1.5	1.6	1.5	1.4	1.2	1	0.8	0.6	0.6	0.6	0.6
CO (µg/m³)	95	94	93	93	93	94	96	99	101	101	101	100	99	98	97	97	96	97	99	103	104	102	99	96

Thu, Jun 25, 2026

Fri, Jun 26 →

Frequently asked questions about the weather in San Francisco

Today in San Francisco the temperature ranges from 12 °C to 19 °C, wind up to 6.61 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in San Francisco today is 35%. 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 6.61 m/s with gusts up to 9.33 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in San Francisco today ranges from 75% to 100%. View the humidity chart above for hourly details.

The UV index in San Francisco today reaches up to 8.8. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in San Francisco today ranges from 758 to 761 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 →