South San Francisco, CA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Mon Sep 21	Cloudy	-º / 57º	23%	WSW 8 mph	91%
Tue Sep 22	AM Clouds/PM Sun View Hourly	66º / 56º	24%	W 18 mph	83%
12am	Cloudy	59º	6%	WSW 8 mph	88%
1am	Cloudy	59º	15%	WSW 7 mph	88%
2am	Cloudy	59º	15%	SW 7 mph	90%
3am	Cloudy	59º	5%	SW 8 mph	89%
4am	Cloudy	59º	6%	SW 8 mph	89%
5am	Cloudy	59º	6%	WSW 8 mph	90%
6am	Cloudy	59º	22%	WSW 7 mph	90%
7am	Cloudy	58º	24%	WSW 7 mph	92%
8am	Cloudy	59º	24%	W 7 mph	90%
9am	Cloudy	60º	21%	WSW 7 mph	90%
10am	Cloudy	61º	20%	WSW 8 mph	88%
11am	Cloudy	62º	19%	W 9 mph	86%
12pm	Mostly Cloudy	63º	16%	W 10 mph	82%
1pm	Mostly Cloudy	64º	19%	W 12 mph	79%
2pm	Partly Cloudy	65º	19%	W 14 mph	76%
3pm	Partly Cloudy	65º	19%	W 15 mph	74%
4pm	Partly Cloudy	65º	20%	WNW 17 mph	76%
5pm	Partly Cloudy	64º	21%	WNW 17 mph	77%
6pm	Partly Cloudy	62º	20%	W 18 mph	83%
7pm	Partly Cloudy	61º	21%	W 15 mph	85%
8pm	Mostly Cloudy	60º	21%	W 14 mph	88%
9pm	Mostly Cloudy	60º	19%	W 12 mph	89%
10pm	Partly Cloudy	60º	18%	W 11 mph	90%
11pm	Partly Cloudy	59º	12%	W 9 mph	90%
Wed Sep 23	Partly Cloudy View Hourly	76º / 56º	20%	NNW 17 mph	72%
12am	Partly Cloudy	59º	12%	WSW 8 mph	91%
1am	Partly Cloudy	59º	19%	W 7 mph	92%
2am	Partly Cloudy	58º	17%	W 7 mph	92%
3am	Partly Cloudy	58º	17%	W 6 mph	92%
4am	Partly Cloudy	57º	11%	WSW 4 mph	94%
5am	Partly Cloudy	57º	9%	WSW 4 mph	94%
6am	Mostly Cloudy	57º	21%	SW 3 mph	94%
7am	Mostly Cloudy	57º	21%	SSE 2 mph	93%
8am	Mostly Cloudy	58º	20%	ESE 2 mph	93%
9am	Partly Cloudy	60º	7%	ENE 3 mph	90%
10am	Partly Cloudy	63º	5%	NE 4 mph	84%
11am	Mostly Sunny	65º	2%	N 5 mph	77%
12pm	Sunny	68º	1%	NNW 7 mph	70%
1pm	Sunny	71º	1%	NW 9 mph	65%
2pm	Sunny	73º	1%	NW 12 mph	60%
3pm	Sunny	75º	1%	NW 14 mph	57%
4pm	Sunny	74º	1%	WNW 16 mph	58%
5pm	Sunny	72º	1%	WNW 17 mph	59%
6pm	Sunny	70º	2%	WNW 12 mph	63%
7pm	Sunny	67º	3%	WNW 11 mph	69%
8pm	Clear	65º	4%	WNW 9 mph	73%
9pm	Mostly Clear	63º	5%	WNW 7 mph	77%
10pm	Partly Cloudy	62º	6%	W 6 mph	80%
11pm	Partly Cloudy	61º	6%	W 5 mph	82%
Thu Sep 24	Mostly Sunny	72º / 59º	8%	W 16 mph	74%
Fri Sep 25	Partly Cloudy	70º / 56º	20%	WNW 16 mph	77%
Sat Sep 26	Partly Cloudy	69º / 56º	7%	W 15 mph	74%
Sun Sep 27	Mostly Sunny	67º / 55º	6%	W 15 mph	74%
Mon Sep 28	Sunny	68º / 56º	6%	WNW 15 mph	72%

Buoy Data
For South San Francisco, CA
Wind Forecast
In South San Francisco, CA
Radar
In South San Francisco, CA
Marine Forecast
In South San Francisco, CA

NOAA Weather Marine Forecast for South San Francisco, CA

Tonight

Low : 57ºF
WSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Tuesday

High : 70ºF
Variable winds less than 5 kt becoming W 5 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Tuesday Night

Low : 56ºF
W wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Partly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.

Wednesday

High : 80ºF
Variable winds 5 kt or less. Patchy fog before 9am. N swell 0 ft. Wind waves 1 ft or less.

Wednesday Night

Low : 58ºF
W wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Thursday

High : 76ºF
Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.

Thursday Night

Low : 60ºF
W wind 7 to 12 kt, with gusts as high as 19 kt. Partly cloudy. N swell 0 ft. Wind waves 1 ft or less.

Friday

High : 68ºF
W wind 6 to 11 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

Friday Night

Low : 58ºF
W wind 5 to 13 kt, with gusts as high as 20 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.

Current Weather Conditions In South San Francisco, CA

As Of: 5 minutes ago

Temperature: 59ºF
Feels Like: 57ºF

Wind Speed: 8mph
Direction: 0º (WSW)
Gusts: 8mph

Cloud Cover: Cloudy
Visibility: 8mi

Pressure: 29.94"
Humidity: 88%
Dew Point: 0ºF

The weather right now in South San Francisco, CA is Cloudy. The current temperature is 59°F, and the expected high and low for today, Tuesday, September 22, 2026, are -° high temperature and 57°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the West Southwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 57° Fahrenheit. Expected precipitation is 6 percent, with current humidity at 88 percent, and air pressure at 29.94 in. Visibility is 8 nautical miles. There are no current weather alert(s).