Hourly Weather Forecast - San Mateo, CA

12 AM
46°F
0%
2mph
ENE
Partly Cloudy
Humidity
82%
Feels like
46°F
Dew Point
41°F
1 AM
46°F
0%
2mph
ENE
Partly Cloudy
Humidity
81%
Feels like
46°F
Dew Point
41°F
2 AM
46°F
0%
2mph
ENE
Partly Cloudy
Humidity
81%
Feels like
46°F
Dew Point
40°F
3 AM
45°F
0%
2mph
ENE
Cloudy
Humidity
82%
Feels like
45°F
Dew Point
40°F
4 AM
45°F
10%
2mph
ENE
Cloudy
Humidity
82%
Feels like
45°F
Dew Point
40°F
5 AM
44°F
10%
2mph
ENE
Cloudy
Humidity
83%
Feels like
44°F
Dew Point
40°F
6 AM
44°F
10%
2mph
ENE
Mostly Clear
Humidity
82%
Feels like
44°F
Dew Point
39°F
7 AM
45°F
10%
2mph
ENE
Mostly Clear
Humidity
81%
Feels like
45°F
Dew Point
40°F
7:23 AM
8 AM
46°F
10%
2mph
ENE
Sunny
Humidity
79%
Feels like
46°F
Dew Point
40°F
9 AM
48°F
10%
2mph
ENE
Sunny
Humidity
75%
Feels like
48°F
Dew Point
41°F
10 AM
50°F
10%
2mph
ENE
Sunny
Humidity
71%
Feels like
50°F
Dew Point
41°F
11 AM
53°F
10%
2mph
ENE
Mostly Sunny
Humidity
68%
Feels like
53°F
Dew Point
42°F
12 PM
54°F
10%
2mph
ENE
Partly Cloudy
Humidity
66%
Feels like
54°F
Dew Point
43°F
1 PM
56°F
10%
2mph
ENE
Mostly Cloudy
Humidity
65%
Feels like
56°F
Dew Point
44°F
2 PM
56°F
10%
2mph
ENE
Mostly Cloudy
Humidity
66%
Feels like
56°F
Dew Point
45°F
3 PM
55°F
20%
2mph
ENE
Mostly Cloudy
Humidity
70%
Feels like
55°F
Dew Point
46°F
4 PM
54°F
40%
2mph
ENE
40% Chance of Light Rain
Humidity
74%
Feels like
54°F
Dew Point
46°F
5 PM
52°F
40%
2mph
ENE
40% Chance of Light Rain
Humidity
79%
Feels like
52°F
Dew Point
46°F
5:00 PM
6 PM
51°F
40%
2mph
ENE
40% Chance of Light Rain
Humidity
82%
Feels like
51°F
Dew Point
46°F
7 PM
51°F
40%
2mph
ENE
40% Chance of Light Rain
Humidity
84%
Feels like
51°F
Dew Point
46°F
8 PM
50°F
50%
2mph
ENE
50% Chance of Light Rain
Humidity
85%
Feels like
50°F
Dew Point
46°F
9 PM
50°F
50%
2mph
ENE
50% Chance of Light Rain
Humidity
85%
Feels like
50°F
Dew Point
46°F
10 PM
50°F
50%
2mph
ENE
50% Chance of Light Rain
Humidity
85%
Feels like
50°F
Dew Point
46°F
11 PM
50°F
50%
2mph
ENE
50% Chance of Light Rain
Humidity
85%
Feels like
50°F
Dew Point
46°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Today's Weather Outlook

Today's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide