Hourly Weather Forecast - South San Francisco, CA

4 PM
55°F
0%
5mph
W
Foggy
Humidity
99%
Feels like
55°F
Dew Point
55°F
4:52 PM
5 PM
54°F
0%
5mph
W
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 PM
52°F
0%
4mph
W
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
7 PM
51°F
0%
4mph
WNW
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
8 PM
51°F
0%
3mph
WNW
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
9 PM
50°F
0%
3mph
W
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
10 PM
49°F
0%
2mph
W
Foggy
Humidity
99%
Feels like
49°F
Dew Point
49°F
11 PM
49°F
0%
2mph
W
Foggy
Humidity
99%
Feels like
49°F
Dew Point
49°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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