Hourly Weather Forecast - San Marcos, TX

12 AM
53°F
0%
10mph
NNE
Clear
Humidity
43%
Feels like
53°F
Dew Point
31°F
1 AM
51°F
0%
9mph
NNE
Clear
Humidity
45%
Feels like
51°F
Dew Point
30°F
2 AM
49°F
0%
8mph
N
Clear
Humidity
46%
Feels like
46°F
Dew Point
29°F
3 AM
47°F
0%
8mph
N
Clear
Humidity
47%
Feels like
44°F
Dew Point
28°F
4 AM
46°F
0%
6mph
N
Clear
Humidity
49%
Feels like
42°F
Dew Point
28°F
5 AM
44°F
0%
6mph
NNE
Clear
Humidity
51%
Feels like
41°F
Dew Point
27°F
6 AM
43°F
0%
5mph
NNE
Clear
Humidity
51%
Feels like
40°F
Dew Point
27°F
7 AM
45°F
0%
4mph
NNE
Clear
Humidity
48%
Feels like
42°F
Dew Point
26°F
7:22 AM
8 AM
48°F
0%
4mph
NNE
Sunny
Humidity
45%
Feels like
47°F
Dew Point
28°F
9 AM
53°F
0%
5mph
NE
Sunny
Humidity
39%
Feels like
53°F
Dew Point
29°F
10 AM
58°F
0%
6mph
ENE
Sunny
Humidity
32%
Feels like
58°F
Dew Point
28°F
11 AM
61°F
0%
7mph
ESE
Sunny
Humidity
26%
Feels like
61°F
Dew Point
26°F
12 PM
64°F
0%
8mph
SE
Sunny
Humidity
23%
Feels like
64°F
Dew Point
26°F
1 PM
67°F
0%
9mph
SE
Sunny
Humidity
21%
Feels like
67°F
Dew Point
26°F
2 PM
67°F
0%
9mph
SSE
Sunny
Humidity
22%
Feels like
67°F
Dew Point
27°F
3 PM
66°F
0%
10mph
S
Sunny
Humidity
24%
Feels like
66°F
Dew Point
28°F
4 PM
63°F
0%
10mph
S
Sunny
Humidity
27%
Feels like
63°F
Dew Point
29°F
5 PM
60°F
0%
9mph
S
Sunny
Humidity
32%
Feels like
60°F
Dew Point
30°F
5:35 PM
6 PM
56°F
0%
9mph
S
Clear
Humidity
37%
Feels like
56°F
Dew Point
30°F
7 PM
54°F
0%
9mph
S
Clear
Humidity
42%
Feels like
54°F
Dew Point
32°F
8 PM
53°F
0%
9mph
S
Clear
Humidity
49%
Feels like
53°F
Dew Point
34°F
9 PM
51°F
0%
10mph
S
Clear
Humidity
57%
Feels like
51°F
Dew Point
36°F
10 PM
49°F
0%
10mph
S
Clear
Humidity
67%
Feels like
45°F
Dew Point
39°F
11 PM
49°F
0%
10mph
S
Clear
Humidity
78%
Feels like
44°F
Dew Point
42°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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