Hourly Weather Forecast - South San Francisco, CA

12 AM
54°F
70%
7mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
54°F
Dew Point
51°F
1 AM
54°F
70%
7mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
54°F
Dew Point
52°F
2 AM
54°F
70%
8mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
54°F
Dew Point
52°F
3 AM
54°F
70%
8mph
S
70% Chance of Light Rain
Humidity
94%
Feels like
54°F
Dew Point
52°F
4 AM
54°F
80%
8mph
S
80% Chance of Light Rain
Humidity
94%
Feels like
54°F
Dew Point
52°F
5 AM
54°F
80%
8mph
S
80% Chance of Light Rain
Humidity
95%
Feels like
54°F
Dew Point
53°F
6 AM
54°F
80%
8mph
S
80% Chance of Light Rain
Humidity
96%
Feels like
54°F
Dew Point
53°F
7 AM
54°F
90%
8mph
S
Light Rain
Humidity
96%
Feels like
54°F
Dew Point
53°F
7:21 AM
8 AM
54°F
90%
9mph
S
Light Rain
Humidity
96%
Feels like
54°F
Dew Point
53°F
9 AM
55°F
90%
9mph
S
Rain
Humidity
96%
Feels like
55°F
Dew Point
53°F
10 AM
55°F
90%
10mph
S
Rain
Humidity
96%
Feels like
55°F
Dew Point
54°F
11 AM
55°F
90%
10mph
S
Rain
Humidity
96%
Feels like
55°F
Dew Point
54°F
12 PM
55°F
90%
10mph
S
Rain
Humidity
99%
Feels like
55°F
Dew Point
54°F
1 PM
54°F
90%
10mph
S
Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F
2 PM
53°F
90%
10mph
S
Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
3 PM
52°F
90%
9mph
S
Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
4 PM
52°F
90%
9mph
S
Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
4:54 PM
5 PM
52°F
90%
9mph
S
Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 PM
52°F
90%
8mph
S
Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
7 PM
52°F
80%
8mph
S
80% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
8 PM
53°F
70%
8mph
S
70% Chance of Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
9 PM
53°F
70%
7mph
S
70% Chance of Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
10 PM
53°F
70%
7mph
S
70% Chance of Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
11 PM
53°F
80%
7mph
SSW
80% Chance of Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today's Weather Outlook

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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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