Hourly Weather Forecast - South San Francisco, CA

12 AM
53°F
60%
4mph
SSW
60% Chance of Light Rain
Humidity
97%
Feels like
53°F
Dew Point
52°F
1 AM
53°F
60%
4mph
SW
60% Chance of Light Rain
Humidity
97%
Feels like
53°F
Dew Point
52°F
2 AM
52°F
60%
4mph
SW
60% Chance of Light Rain
Humidity
97%
Feels like
52°F
Dew Point
51°F
3 AM
52°F
50%
4mph
SW
50% Chance of Light Rain
Humidity
97%
Feels like
52°F
Dew Point
51°F
4 AM
52°F
40%
4mph
SW
40% Chance of Light Rain
Humidity
97%
Feels like
52°F
Dew Point
51°F
5 AM
52°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
96%
Feels like
52°F
Dew Point
51°F
6 AM
52°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
97%
Feels like
52°F
Dew Point
51°F
7 AM
52°F
30%
3mph
SW
30% Chance of Light Rain
Humidity
95%
Feels like
52°F
Dew Point
51°F
7:20 AM
8 AM
53°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
93%
Feels like
53°F
Dew Point
51°F
9 AM
54°F
30%
2mph
SSW
30% Chance of Light Rain
Humidity
90%
Feels like
54°F
Dew Point
51°F
10 AM
54°F
30%
3mph
S
30% Chance of Light Rain
Humidity
87%
Feels like
54°F
Dew Point
51°F
11 AM
55°F
30%
3mph
S
30% Chance of Light Rain
Humidity
86%
Feels like
55°F
Dew Point
51°F
12 PM
55°F
30%
3mph
SSW
30% Chance of Light Rain
Humidity
85%
Feels like
55°F
Dew Point
51°F
1 PM
55°F
30%
3mph
SSW
30% Chance of Light Rain
Humidity
86%
Feels like
55°F
Dew Point
50°F
2 PM
54°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
88%
Feels like
54°F
Dew Point
50°F
3 PM
53°F
30%
4mph
SSW
30% Chance of Light Rain
Humidity
92%
Feels like
53°F
Dew Point
51°F
4 PM
52°F
40%
5mph
SSW
40% Chance of Light Rain
Humidity
94%
Feels like
52°F
Dew Point
50°F
4:54 PM
5 PM
51°F
40%
5mph
SSW
40% Chance of Rain
Humidity
97%
Feels like
51°F
Dew Point
50°F
6 PM
51°F
40%
6mph
SSW
40% Chance of Rain
Humidity
97%
Feels like
51°F
Dew Point
50°F
7 PM
52°F
50%
6mph
S
50% Chance of Rain
Humidity
96%
Feels like
52°F
Dew Point
51°F
8 PM
52°F
70%
6mph
S
70% Chance of Light Rain
Humidity
94%
Feels like
52°F
Dew Point
51°F
9 PM
53°F
80%
6mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
53°F
Dew Point
51°F
10 PM
53°F
80%
7mph
S
80% Chance of Light Rain
Humidity
93%
Feels like
53°F
Dew Point
51°F
11 PM
53°F
70%
7mph
S
70% Chance of Light Rain
Humidity
92%
Feels like
53°F
Dew Point
51°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

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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide