Hourly Weather Forecast - San Mateo, CA

12 AM
50°F
70%
8mph
S
70% Chance of Light Rain
Humidity
95%
Feels like
50°F
Dew Point
49°F
1 AM
50°F
70%
8mph
S
70% Chance of Light Rain
Humidity
95%
Feels like
50°F
Dew Point
49°F
2 AM
50°F
70%
6mph
SSW
70% Chance Rain Showers
Humidity
96%
Feels like
50°F
Dew Point
49°F
3 AM
50°F
70%
6mph
SSW
70% Chance Rain Showers
Humidity
96%
Feels like
50°F
Dew Point
49°F
4 AM
50°F
70%
5mph
SSW
70% Chance Rain Showers
Humidity
97%
Feels like
48°F
Dew Point
49°F
5 AM
49°F
60%
4mph
SSW
60% Chance Rain Showers
Humidity
98%
Feels like
48°F
Dew Point
49°F
6 AM
49°F
60%
4mph
S
60% Chance Rain Showers
Humidity
99%
Feels like
48°F
Dew Point
49°F
7 AM
49°F
60%
4mph
S
60% Chance Rain Showers
Humidity
99%
Feels like
49°F
Dew Point
49°F
7:21 AM
8 AM
50°F
60%
4mph
S
60% Chance Rain Showers
Humidity
98%
Feels like
50°F
Dew Point
50°F
9 AM
51°F
60%
5mph
SSE
60% Chance Rain Showers
Humidity
97%
Feels like
51°F
Dew Point
50°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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