Hourly Weather Forecast - San Marcos, TX

12 AM
24°F
40%
18mph
N
40% Chance Frozen Mix
Humidity
77%
Feels like
10°F
Dew Point
18°F
1 AM
24°F
40%
18mph
N
40% Chance Freezing Rain
Humidity
75%
Feels like
10°F
Dew Point
17°F
2 AM
24°F
40%
18mph
N
40% Chance Freezing Rain
Humidity
73%
Feels like
10°F
Dew Point
16°F
3 AM
23°F
30%
17mph
N
30% Chance Freezing Rain
Humidity
71%
Feels like
10°F
Dew Point
15°F
4 AM
23°F
30%
17mph
N
30% Chance Freezing Rain
Humidity
69%
Feels like
10°F
Dew Point
15°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

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