Hourly Weather Forecast - San Marcos, CA

12 AM
51°F
10%
4mph
NE
Clear
Humidity
34%
Feels like
51°F
Dew Point
24°F
1 AM
50°F
10%
4mph
NE
Clear
Humidity
35%
Feels like
50°F
Dew Point
24°F
2 AM
49°F
10%
4mph
ENE
Clear
Humidity
36%
Feels like
48°F
Dew Point
24°F
3 AM
48°F
0%
4mph
ENE
Clear
Humidity
37%
Feels like
47°F
Dew Point
23°F
4 AM
47°F
0%
4mph
ENE
Clear
Humidity
38%
Feels like
46°F
Dew Point
23°F
5 AM
47°F
0%
4mph
ENE
Clear
Humidity
39%
Feels like
45°F
Dew Point
23°F
6 AM
47°F
0%
4mph
ENE
Clear
Humidity
38%
Feels like
46°F
Dew Point
23°F
6:48 AM
7 AM
50°F
0%
4mph
ENE
Sunny
Humidity
35%
Feels like
50°F
Dew Point
23°F
8 AM
55°F
0%
5mph
ENE
Sunny
Humidity
29%
Feels like
55°F
Dew Point
24°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide