Hourly Weather Forecast - San Marcos, TX

12 AM
50°F
0%
8mph
N
Clear
Humidity
58%
Feels like
46°F
Dew Point
36°F
1 AM
48°F
0%
7mph
N
Clear
Humidity
61%
Feels like
45°F
Dew Point
35°F
2 AM
47°F
0%
7mph
N
Clear
Humidity
65%
Feels like
43°F
Dew Point
35°F
3 AM
46°F
0%
6mph
N
Clear
Humidity
66%
Feels like
42°F
Dew Point
35°F
4 AM
45°F
0%
6mph
N
Clear
Humidity
69%
Feels like
41°F
Dew Point
35°F
5 AM
45°F
0%
6mph
N
Clear
Humidity
67%
Feels like
41°F
Dew Point
35°F
6 AM
46°F
0%
6mph
N
Clear
Humidity
65%
Feels like
42°F
Dew Point
34°F
7 AM
47°F
0%
5mph
N
Clear
Humidity
62%
Feels like
45°F
Dew Point
35°F
7:17 AM
8 AM
50°F
0%
5mph
N
Sunny
Humidity
58%
Feels like
48°F
Dew Point
36°F
9 AM
54°F
0%
4mph
NNE
Sunny
Humidity
52%
Feels like
54°F
Dew Point
37°F
10 AM
58°F
0%
5mph
ENE
Sunny
Humidity
46%
Feels like
58°F
Dew Point
37°F
11 AM
61°F
0%
5mph
ESE
Sunny
Humidity
41%
Feels like
61°F
Dew Point
37°F
12 PM
64°F
0%
6mph
SE
Sunny
Humidity
38%
Feels like
64°F
Dew Point
38°F
1 PM
66°F
0%
6mph
SSE
Sunny
Humidity
37%
Feels like
66°F
Dew Point
39°F
2 PM
67°F
0%
8mph
S
Sunny
Humidity
38%
Feels like
67°F
Dew Point
40°F
3 PM
67°F
0%
8mph
S
Sunny
Humidity
40%
Feels like
67°F
Dew Point
42°F
4 PM
65°F
0%
8mph
S
Sunny
Humidity
44%
Feels like
65°F
Dew Point
43°F
5 PM
63°F
0%
7mph
S
Sunny
Humidity
51%
Feels like
63°F
Dew Point
44°F
5:32 PM
6 PM
60°F
0%
6mph
S
Clear
Humidity
56%
Feels like
60°F
Dew Point
44°F
7 PM
58°F
0%
6mph
S
Clear
Humidity
63%
Feels like
58°F
Dew Point
46°F
8 PM
56°F
0%
7mph
S
Clear
Humidity
69%
Feels like
56°F
Dew Point
46°F
9 PM
55°F
0%
7mph
S
Clear
Humidity
75%
Feels like
55°F
Dew Point
47°F
10 PM
54°F
0%
7mph
SSW
Clear
Humidity
80%
Feels like
54°F
Dew Point
48°F
11 PM
53°F
0%
8mph
SSW
Clear
Humidity
85%
Feels like
53°F
Dew Point
49°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide