Hourly Weather Forecast - San Marcos, TX

12 AM
36°F
0%
4mph
W
Clear
Humidity
50%
Feels like
33°F
Dew Point
19°F
1 AM
37°F
0%
4mph
W
Mostly Clear
Humidity
52%
Feels like
33°F
Dew Point
21°F
2 AM
38°F
0%
4mph
W
Mostly Clear
Humidity
51%
Feels like
34°F
Dew Point
21°F
3 AM
37°F
0%
4mph
W
Mostly Clear
Humidity
53%
Feels like
34°F
Dew Point
22°F
4 AM
37°F
0%
4mph
W
Mostly Clear
Humidity
56%
Feels like
33°F
Dew Point
22°F
5 AM
37°F
0%
5mph
W
Mostly Clear
Humidity
56%
Feels like
33°F
Dew Point
23°F
6 AM
38°F
0%
5mph
W
Clear
Humidity
54%
Feels like
35°F
Dew Point
23°F
7 AM
40°F
0%
4mph
W
Clear
Humidity
51%
Feels like
37°F
Dew Point
23°F
7:27 AM
8 AM
42°F
0%
4mph
W
Sunny
Humidity
49%
Feels like
40°F
Dew Point
25°F
9 AM
47°F
0%
4mph
WSW
Sunny
Humidity
44%
Feels like
45°F
Dew Point
26°F
10 AM
51°F
0%
6mph
WSW
Sunny
Humidity
36%
Feels like
51°F
Dew Point
26°F
11 AM
56°F
0%
7mph
WSW
Sunny
Humidity
32%
Feels like
56°F
Dew Point
26°F
12 PM
59°F
0%
7mph
WSW
Sunny
Humidity
29%
Feels like
59°F
Dew Point
27°F
1 PM
60°F
0%
8mph
SW
Sunny
Humidity
27%
Feels like
60°F
Dew Point
26°F
2 PM
60°F
0%
9mph
SW
Sunny
Humidity
29%
Feels like
60°F
Dew Point
28°F
3 PM
60°F
0%
9mph
SW
Sunny
Humidity
30%
Feels like
60°F
Dew Point
29°F
4 PM
59°F
0%
9mph
SSW
Sunny
Humidity
31%
Feels like
59°F
Dew Point
29°F
5 PM
57°F
0%
8mph
SSW
Sunny
Humidity
32%
Feels like
57°F
Dew Point
28°F
5:42 PM
6 PM
54°F
0%
7mph
SSW
Clear
Humidity
34%
Feels like
54°F
Dew Point
27°F
7 PM
52°F
0%
7mph
SSW
Clear
Humidity
35%
Feels like
52°F
Dew Point
25°F
8 PM
50°F
0%
7mph
SSW
Clear
Humidity
36%
Feels like
50°F
Dew Point
24°F
9 PM
49°F
0%
7mph
SSW
Clear
Humidity
37%
Feels like
45°F
Dew Point
24°F
10 PM
47°F
0%
7mph
SSW
Clear
Humidity
38%
Feels like
44°F
Dew Point
24°F
11 PM
46°F
0%
7mph
SW
Clear
Humidity
39%
Feels like
43°F
Dew Point
23°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

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

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide