Hourly Weather Forecast - South San Francisco, CA

12 AM
51°F
60%
12mph
S
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
1 AM
51°F
60%
12mph
S
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
2 AM
51°F
60%
13mph
S
60% Chance of Light Rain
Humidity
91%
Feels like
51°F
Dew Point
49°F
3 AM
51°F
60%
13mph
S
60% Chance of Light Rain
Humidity
91%
Feels like
51°F
Dew Point
49°F
4 AM
51°F
70%
13mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
5 AM
51°F
80%
14mph
S
80% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
6 AM
51°F
90%
13mph
S
Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
7 AM
51°F
90%
12mph
S
Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F
7:22 AM
8 AM
52°F
90%
12mph
S
Light Rain
Humidity
91%
Feels like
52°F
Dew Point
49°F
9 AM
53°F
90%
12mph
S
Rain Showers
Humidity
88%
Feels like
53°F
Dew Point
49°F
10 AM
53°F
90%
12mph
S
Rain Showers
Humidity
87%
Feels like
53°F
Dew Point
49°F
11 AM
53°F
90%
12mph
S
Rain Showers
Humidity
85%
Feels like
53°F
Dew Point
49°F
12 PM
53°F
90%
12mph
S
Rain Showers
Humidity
85%
Feels like
53°F
Dew Point
49°F
1 PM
53°F
90%
12mph
SSW
Rain Showers
Humidity
85%
Feels like
53°F
Dew Point
49°F
2 PM
52°F
80%
11mph
SSW
80% Chance Rain Showers
Humidity
86%
Feels like
52°F
Dew Point
48°F
3 PM
51°F
80%
11mph
SSW
80% Chance of Rain
Humidity
88%
Feels like
51°F
Dew Point
47°F
4 PM
49°F
80%
10mph
S
80% Chance of Light Rain
Humidity
91%
Feels like
45°F
Dew Point
47°F
4:56 PM
5 PM
48°F
70%
9mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
44°F
Dew Point
46°F
6 PM
47°F
70%
8mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
44°F
Dew Point
46°F
7 PM
48°F
70%
8mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
44°F
Dew Point
46°F
8 PM
48°F
70%
8mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
44°F
Dew Point
46°F
9 PM
48°F
80%
8mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
44°F
Dew Point
46°F
10 PM
48°F
80%
8mph
S
80% Chance of Light Rain
Humidity
94%
Feels like
44°F
Dew Point
46°F
11 PM
47°F
80%
8mph
S
80% Chance of Light Rain
Humidity
95%
Feels like
44°F
Dew Point
46°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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