5-day weather forecast San Francisco 26-06-2026

Weather forecast San Francisco tomorrow 26.06.2026: sunny, temperature from 12 °C to 18 °C.

Precipitation probability 13%. Wind up to 7.11 m/s (gusts 10.11 m/s). Air humidity 81–94%, atmospheric pressure 758–761 mm Hg, UV index up to 7.8.

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 Gibbous93% illuminated
Moonrise 18:32 · Moonset 03:05

Chart

Table

← Thu, Jun 25

Fri, Jun 26, 2026

Sat, Jun 27 →

Forecast from 12 °C to 18 °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	12	12	12	12	13	14	15	15	16	17	17	17	18	18	17	17	17	16	16	16	15	15
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0.02	0.02	0.01

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 (%)	14	19	23	23	30	36	19	6	17	15	56	54	60	63	67	77	83	71	82	83	85	94	92	76
Rain chance (%)	13	14	15	16	17	19	15	12	14	13	17	16	17	17	17	20	22	20	24	25	27	30	29	26

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)	6.31	7.11	7.11	6.69	7	6.89	6.61	6.81	6.61	6.31	6.31	6.31	6.81	6.61	6.61	6.69	6.89	6.81	6.81	6.31	6	6	5.89	5.39
Wind gust (m/s)	9.11	10	10.11	9.28	9.86	9.61	9.14	9.22	8.61	8.11	7.89	7.64	8	7.69	7.58	7.78	8.22	8.53	8.75	8.31	8.25	8.36	8.19	7.53
Wind direction (°)	W 263°	W 269°	W 267°	W 267°	W 266°	W 266°	W 267°	W 271°	W 270°	W 266°	W 266°	WSW 256°	WSW 255°	WSW 256°	WSW 255°	WSW 253°	WSW 254°	WSW 255°	W 263°	WSW 253°	WSW 252°	W 259°	W 263°	W 260°

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 (%)	87	89	91	91	92	94	91	87	88	86	83	83	81	81	81	81	83	84	86	88	91	91	90	92

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

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	0.3	1	2.1	4	5.7	7.3	7.8	7.5	6.7	5	3	1.4	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)	10.9	10.2	9.7	9.4	9.1	8.9	9.1	9.4	9.7	10.3	10.6	10.4	10.4	10.7	11	11.4	11.9	11.9	11.7	11	10.7	10.7	10.9	10.5
PM10 (µg/m³)	17	16.2	15.5	15.1	14.8	14.5	14.6	15	15.3	16	16.3	15.8	15.8	16.1	16.5	17.1	17.8	17.8	17.6	16.5	15.9	16	16.2	15.7
Ozone (O₃) (µg/m³)	58	57	56	55	54	53	52	52	51	50	49	49	50	51	52	52	51	50	48	45	43	42	41	41
NO₂ (µg/m³)	5.2	4.4	3.8	3.4	3.2	3.1	3.1	3.3	3.5	3.9	4.3	4.5	4.3	3.9	3.7	4	4.6	5.3	6.4	7.7	8.6	8.7	8.4	7.9
SO₂ (µg/m³)	0.6	0.5	0.5	0.5	0.5	0.5	0.5	0.6	0.6	0.7	0.7	0.8	0.9	1.1	1.2	1.3	1.4	1.4	1.4	1.3	1.2	1.2	1.2	1.2
CO (µg/m³)	94	92	90	89	89	89	89	90	91	91	92	92	92	91	91	92	92	93	93	93	92	91	90	89

← Thu, Jun 25

Fri, Jun 26, 2026

Sat, Jun 27 →

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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 →