South San Francisco, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sat
May 24 		AM Clouds/PM Sun/Wind
Close Hourly 		60º / 51º 19% W 21 mph 75%
9am Mostly Cloudy 54º 5% W 10 mph 83%
10am Mostly Cloudy 55º 4% W 11 mph 81%
11am Partly Cloudy 56º 4% W 12 mph 77%
12pm Mostly Sunny 59º 4% W 13 mph 72%
1pm Partly Cloudy 60º 4% W 16 mph 70%
2pm Mostly Sunny/Wind 60º 5% W 20 mph 69%
3pm Mostly Sunny/Wind 60º 5% W 20 mph 68%
4pm Partly Cloudy/Wind 59º 17% W 21 mph 70%
5pm Partly Cloudy/Wind 58º 17% W 21 mph 72%
6pm Mostly Sunny/Wind 57º 19% W 20 mph 74%
7pm Partly Cloudy 56º 22% W 19 mph 77%
8pm Partly Cloudy 54º 22% W 17 mph 81%
9pm Partly Cloudy 53º 22% W 16 mph 84%
10pm Partly Cloudy 53º 22% W 15 mph 85%
11pm Partly Cloudy 52º 22% W 14 mph 87%
Sun
May 25 		AM Clouds/PM Sun
View Hourly 		61º / 53º 20% W 20 mph 76%
12am Partly Cloudy 52º 22% W 14 mph 88%
1am Mostly Cloudy 52º 21% W 13 mph 88%
2am Mostly Cloudy 52º 21% W 13 mph 88%
3am Mostly Cloudy 52º 22% W 13 mph 88%
4am Mostly Cloudy 52º 21% W 12 mph 88%
5am Cloudy 52º 21% W 11 mph 89%
6am Mostly Cloudy 52º 20% W 12 mph 89%
7am Cloudy 53º 18% W 12 mph 87%
8am Cloudy 54º 21% W 13 mph 83%
9am Cloudy 55º 16% W 14 mph 81%
10am Mostly Cloudy 55º 15% W 14 mph 80%
11am Partly Cloudy 56º 18% W 15 mph 78%
12pm Partly Cloudy 58º 19% W 16 mph 73%
1pm Partly Cloudy 59º 19% W 18 mph 70%
2pm Partly Cloudy/Wind 60º 19% W 20 mph 69%
3pm Partly Cloudy 60º 18% W 19 mph 70%
4pm Mostly Cloudy 60º 19% W 19 mph 71%
5pm Mostly Cloudy 59º 20% W 19 mph 73%
6pm Mostly Cloudy 57º 21% W 18 mph 76%
7pm Mostly Cloudy 57º 22% W 17 mph 77%
8pm Mostly Cloudy 56º 21% W 16 mph 79%
9pm Mostly Cloudy 55º 24% W 14 mph 83%
10pm Cloudy 55º 24% W 13 mph 85%
11pm Cloudy 55º 23% W 13 mph 87%
Mon
May 26 		AM Clouds/PM Sun
View Hourly 		62º / 50º 19% W 20 mph 78%
12am Cloudy 54º 23% W 12 mph 88%
1am Cloudy 54º 24% W 11 mph 90%
2am Cloudy 54º 24% W 10 mph 90%
3am Cloudy 55º 21% W 9 mph 90%
4am Cloudy 54º 22% W 8 mph 91%
5am Cloudy 54º 24% W 7 mph 91%
6am Cloudy 54º 22% W 7 mph 92%
7am Cloudy 55º 20% W 6 mph 91%
8am Cloudy 56º 18% W 7 mph 90%
Tue
May 27 		Mostly Sunny 64º / 51º 7% WSW 15 mph 71%
Wed
May 28 		Mostly Cloudy 61º / 52º 7% W 17 mph 79%
Thu
May 29 		Mostly Sunny 67º / 52º 11% WNW 17 mph 76%
Fri
May 30 		Sunny 70º / 53º 6% W 15 mph 73%
Sat
May 31 		Partly Cloudy 66º / 53º 10% WSW 16 mph 74%

Weather Radar for South San Francisco, CA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South San Francisco, CA

Today
High : 64ºF
Variable winds less than 5 kt becoming W 7 to 12 kt in the morning. Winds could gust as high as 19 kt. Mostly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
Low : 51ºF
W wind 6 to 11 kt, with gusts as high as 19 kt. Partly cloudy. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Sunday
High : 64ºF
W wind 6 to 12 kt, with gusts as high as 18 kt. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Sunday Night
Low : 53ºF
W wind 6 to 12 kt, with gusts as high as 20 kt. Mostly cloudy. N swell 0 ft. Wind waves 1 ft or less.
Memorial Day
High : 67ºF
Variable winds less than 5 kt becoming W 7 to 12 kt in the afternoon. Winds could gust as high as 18 kt. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.
Monday Night
Low : 50ºF
W wind 5 to 14 kt, with gusts as high as 22 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Tuesday
High : 70ºF
Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Tuesday Night
Low : 51ºF
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.
Wednesday
High : 68ºF
Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Mostly sunny. N swell 0 ft. Wind waves 1 ft or less.

NOAA Buoy Data Near South San Francisco, CA See Map

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    Wind Speed Forecast for South San Francisco, CA

    SaturdaySundayMonday
    Wind Speed (MPH) 10162116131114181914117
    9am1pm5pm9pm1am5am9am1pm5pm9pm1am5am
    MPH 10162116131114181914117
    DIR WWWWWWWWWWWW

    Current Weather Conditions In South San Francisco, CA

    As Of: 2 minutes ago

    • 54ºF
    • 51ºF
    • 10mph
    • 0º (W)
    • 17mph
    • Mostly Cloudy
    • 10mi
    • 29.99"
    • 83%
    • 0ºF

    The weather right now in South San Francisco, CA is Mostly Cloudy. The current temperature is 54°F, and the expected high and low for today, Saturday, May 24, 2025, are 60° high temperature and 51°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the West. The wind is gusting to 17 mph. With the wind and the atmosphere the temperature feels like 51° Fahrenheit. Expected precipitation is 5 percent, with current humidity at 83 percent, and air pressure at 29.99 in. Visibility is 10 nautical miles. There are no current weather alert(s).