South San Francisco, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jun 8
Showers Late
Close Hourly
-º / 55º 38% WSW 16 mph 93%
7pm Cloudy 58º 20% W 14 mph 90%
8pm Cloudy 57º 9% W 12 mph 93%
9pm Cloudy 57º 11% W 10 mph 95%
10pm Cloudy 58º 21% W 9 mph 90%
11pm Cloudy 58º 22% W 8 mph 91%
Tue
Jun 9
AM Clouds/PM Sun
View Hourly
63º / 51º 22% W 18 mph 79%
12am Cloudy 58º 22% WSW 7 mph 92%
1am Cloudy 58º 24% WSW 6 mph 92%
2am Showers 57º 37% SW 4 mph 94%
3am Few Showers 57º 34% SSW 4 mph 94%
4am Cloudy 57º 24% SW 4 mph 94%
5am Cloudy 56º 18% SW 4 mph 94%
6am Cloudy 56º 18% WSW 4 mph 95%
7am Cloudy 56º 20% W 5 mph 93%
8am Cloudy 57º 20% W 5 mph 91%
9am Cloudy 58º 15% WNW 7 mph 89%
10am Cloudy 59º 23% WNW 9 mph 87%
11am Mostly Cloudy 61º 7% WNW 12 mph 82%
12pm Partly Cloudy 62º 8% WNW 13 mph 77%
1pm Partly Cloudy 63º 7% WNW 15 mph 74%
2pm Partly Cloudy 63º 7% WNW 16 mph 72%
3pm Partly Cloudy 63º 6% W 18 mph 71%
4pm Mostly Sunny 63º 6% W 18 mph 70%
5pm Mostly Sunny 61º 6% W 18 mph 72%
6pm Sunny 61º 6% W 18 mph 72%
7pm Sunny 60º 6% W 16 mph 74%
8pm Sunny 58º 13% WNW 13 mph 77%
9pm Clear 56º 12% WNW 12 mph 80%
10pm Clear 55º 13% WNW 11 mph 83%
11pm Partly Cloudy 55º 22% WNW 8 mph 83%
Wed
Jun 10
Sunny
View Hourly
70º / 54º 5% WNW 17 mph 62%
12am Partly Cloudy 54º 22% WNW 8 mph 84%
1am Mostly Clear 54º 22% W 7 mph 85%
2am Mostly Clear 53º 20% WNW 6 mph 86%
3am Mostly Clear 53º 23% W 6 mph 87%
4am Mostly Clear 52º 20% WNW 5 mph 88%
5am Partly Cloudy 52º 20% W 4 mph 89%
6am Partly Cloudy 52º 20% W 4 mph 90%
7am Sunny 53º 6% WNW 4 mph 87%
8am Sunny 57º 3% W 3 mph 79%
9am Sunny 60º 2% NW 4 mph 71%
10am Sunny 63º 1% NW 6 mph 64%
11am Sunny 66º 0% WNW 8 mph 60%
12pm Sunny 67º 0% WNW 11 mph 56%
1pm Sunny 68º 0% WNW 13 mph 55%
2pm Sunny 68º 0% WNW 15 mph 54%
3pm Sunny 69º 0% W 17 mph 52%
4pm Sunny 68º 0% W 16 mph 52%
5pm Sunny 68º 0% W 17 mph 53%
6pm Sunny 67º 0% W 16 mph 55%
Thu
Jun 11
Sunny 78º / 55º 2% WNW 14 mph 48%
Fri
Jun 12
Mostly Sunny 74º / 54º 5% WSW 13 mph 67%
Sat
Jun 13
Sunny 68º / 54º 6% WSW 14 mph 71%
Sun
Jun 14
Partly Cloudy 67º / 54º 18% WSW 14 mph 74%
Mon
Jun 15
Partly Cloudy 65º / 54º 6% WSW 15 mph 77%

Weather Radar for South San Francisco, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South San Francisco, CA

This Afternoon
High : 66ºF
W wind around 14 kt, with gusts as high as 24 kt. Partly sunny. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tonight
Low : 56ºF
W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Winds could gust as high as 18 kt. A slight chance of rain between midnight and 2am. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday
High : 69ºF
Variable winds less than 5 kt becoming W 7 to 12 kt in the morning. Winds could gust as high as 19 kt. Mostly cloudy through mid morning, then gradual clearing. N swell 0 ft at 0 seconds. Wind waves 1 ft or less.
Tuesday Night
Low : 53ºF
W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Winds could gust as high as 18 kt. Mostly clear. N swell 0 ft. Wind waves 1 ft or less.
Wednesday
High : 77ºF
Variable winds less than 5 kt becoming W 5 to 9 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Wednesday Night
Low : 57ºF
W wind 5 to 10 kt becoming variable and less than 5 kt in the evening. Clear. N swell 0 ft. Wind waves 1 ft or less.
Thursday
High : 84ºF
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the afternoon. Sunny. N swell 0 ft. Wind waves 1 ft or less.
Thursday Night
Low : 58ºF
SW wind 5 to 10 kt. Clear. N swell 0 ft. Wind waves 1 ft or less.
Friday
High : 77ºF
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.

NOAA Buoy Data Near South San Francisco, CA See Map

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    Wind Speed Forecast for South San Francisco, CA

    TuesdayWednesday
    Wind Speed (MPH) 14845121816864817
    2am6am10am2pm6pm10pm2am6am10am2pm6pm10pm
    MPH 14845121816864817
    DIR WWSSWWWNWWWWNWWWNWWNWW

    Current Weather Conditions In South San Francisco, CA

    As Of: 55 minutes ago

    • 58ºF
    • 55ºF
    • 14mph
    • 0º (W)
    • 25mph
    • Cloudy
    • 8mi
    • 29.98"
    • 90%
    • 0ºF

    The weather right now in South San Francisco, CA is Cloudy. The current temperature is 58°F, and the expected high and low for today, Monday, June 8, 2026, are -° high temperature and 55°F low temperature. The wind is currently blowing at 14 miles per hour, and coming from the West. The wind is gusting to 25 mph. With the wind and the atmosphere the temperature feels like 55° Fahrenheit. Expected precipitation is 20 percent, with current humidity at 90 percent, and air pressure at 29.98 in. Visibility is 8 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Airport Weather Warning - 12:27pm Mon Jun 8 2026

    ...AIRPORT WEATHER WARNING IN EFFECT FROM NOON TO 7 PM PDT TUESDAY FOR SAN FRANCISCO INTERNATIONAL AIRPORT...

    WHAT: Westerly wind gusts of 40 mph (35 knots) or higher.

    WHERE: San Francisco International Airport.

    WHEN: From noon to 7 PM PDT Tuesday.

    ADDITIONAL DETAILS: Strong gusts and winds continue through the
    afternoon and evening. Winds begin to decrease around sunset time.

    &&

    LAT...LON 3763 12240 3764 12239 3763 12239 3763 12238; 3763 12237 3762 12237 3762 12235 3761 12236; 3761 12237 3760 12238 3761 12240