5-day weather forecast San Francisco 30-08-2026

Weather forecast San Francisco Sunday, August 30 30.08.2026: sunny, temperature from 14 °C to 17 °C.

Precipitation probability 31%. Wind up to 6.69 m/s (gusts 8.5 m/s). Air humidity 70–88%, atmospheric pressure 759–761 mm Hg, UV index up to 5.

Weather Alerts

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MinorAug 26, 02:50 AM — Aug 26, 11:00 AMTranslate with Google

Small Craft Advisory issued August 26 at 2:50AM PDT until August 28 at 9:00AM PDT by NWS San Francisco CA

Small Craft Advisory

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 9 AM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft.

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

MinorAug 26, 08:28 AM — Aug 26, 04:30 PMTranslate with Google

Small Craft Advisory issued August 26 at 8:28AM PDT until August 28 at 9:00AM PDT by NWS San Francisco CA

Small Craft Advisory

* WHAT...Northwest winds 15 to 25 kt with occasional gusts up to 35 kt. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 9 AM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft.

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

5 days at a glance — tap a day to open it

Sunrise 06:38
Sunset 19:42

Waning Gibbous87% illuminated
Moonrise 20:49 · Moonset 09:13

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Table

← Sat, Aug 29

Sun, Aug 30, 2026

Forecast from 14 °C to 17 °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)	15	15	14	15	14	14	14	14	14	15	16	16	17	17	17	17	17	16	16	15	14	14	14	14
Precipitation (mm/hr)	0	0	0.01	0.03	0.02	0.01	0.03	0.04	0.01	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 (%)	70	86	69	100	100	100	100	100	95	42	30	23	15	11	6	8	11	15	20	17	24	26	30	46
Rain chance (%)	21	24	21	30	29	27	30	31	25	12	9	7	7	6	6	7	8	9	12	13	14	15	15	17

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	5.81	6.69	5.39	5.31	5.5	4.89	5	4.61	2.81	2.61	2.69	3.39	4.31	4.89	5.5	5.61	6	6.19	5.69	5.19	4.61	4.5	5.11
Wind gust (m/s)	7.42	7	8.42	6.5	6.39	6.53	6.03	6.11	5.5	3.31	3	2.81	6.39	8.31	7.89	8.5	5.81	6.5	6.83	6.69	6.44	5.92	5.61	6.31
Wind direction (°)	W 259°	WSW 250°	W 266°	SW 236°	SW 235°	WSW 254°	SW 234°	WSW 239°	W 259°	S 180°	S 190°	SSW 210°	SW 232°	WSW 243°	WSW 241°	WSW 244°	WSW 243°	WSW 240°	WSW 244°	WSW 249°	WSW 253°	WSW 257°	WSW 248°	WSW 244°

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 (%)	86	86	86	86	85	85	86	85	84	77	73	71	70	70	71	73	75	78	82	86	87	88	88	88

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	759	759	760	759	759	761	760	760	761	761	760	760	760	759	759	759	759	759	759	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	3	3	4	5	5	5	5	5	5	5	5	5	4	0	0	0	0

← Sat, Aug 29

Sun, Aug 30, 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 →