Hourly Weather Forecast - San Marcos, TX

4 AM
55°F
0%
6mph
NW
Partly Cloudy
Humidity
92%
Feels like
55°F
Dew Point
53°F
5 AM
54°F
0%
7mph
NNW
Partly Cloudy
Humidity
87%
Feels like
54°F
Dew Point
51°F
6 AM
53°F
0%
9mph
NNW
Mostly Clear
Humidity
82%
Feels like
53°F
Dew Point
48°F
7 AM
54°F
0%
10mph
NNW
Mostly Clear
Humidity
74%
Feels like
54°F
Dew Point
46°F
7:23 AM
8 AM
56°F
0%
10mph
NNW
Sunny
Humidity
66%
Feels like
56°F
Dew Point
45°F
9 AM
60°F
0%
11mph
N
Sunny
Humidity
57%
Feels like
60°F
Dew Point
45°F
10 AM
63°F
0%
11mph
N
Mostly Sunny
Humidity
53%
Feels like
63°F
Dew Point
46°F
11 AM
66°F
0%
11mph
N
Mostly Sunny
Humidity
50%
Feels like
66°F
Dew Point
47°F
12 PM
69°F
0%
11mph
N
Mostly Sunny
Humidity
49%
Feels like
69°F
Dew Point
49°F
1 PM
71°F
0%
10mph
N
Mostly Sunny
Humidity
48%
Feels like
71°F
Dew Point
50°F
2 PM
71°F
0%
10mph
N
Mostly Sunny
Humidity
48%
Feels like
71°F
Dew Point
51°F
3 PM
71°F
0%
9mph
NNE
Mostly Sunny
Humidity
50%
Feels like
71°F
Dew Point
51°F
4 PM
68°F
0%
9mph
NNE
Mostly Sunny
Humidity
55%
Feels like
68°F
Dew Point
51°F
5 PM
65°F
0%
8mph
NNE
Mostly Sunny
Humidity
61%
Feels like
65°F
Dew Point
51°F
5:36 PM
6 PM
62°F
0%
7mph
NNE
Mostly Clear
Humidity
68%
Feels like
62°F
Dew Point
51°F
7 PM
59°F
0%
6mph
NNE
Mostly Clear
Humidity
74%
Feels like
59°F
Dew Point
51°F
8 PM
58°F
0%
6mph
NNE
Clear
Humidity
80%
Feels like
58°F
Dew Point
51°F
9 PM
56°F
0%
6mph
N
Clear
Humidity
85%
Feels like
56°F
Dew Point
52°F
10 PM
56°F
0%
6mph
N
Clear
Humidity
89%
Feels like
56°F
Dew Point
53°F
11 PM
56°F
0%
6mph
N
Clear
Humidity
90%
Feels like
56°F
Dew Point
53°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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