Hourly Weather Forecast - San Marcos, TX

12 AM
58°F
0%
6mph
SW
Foggy
Humidity
100%
Feels like
58°F
Dew Point
58°F
1 AM
57°F
0%
5mph
WSW
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
2 AM
57°F
0%
5mph
WNW
Foggy
Humidity
99%
Feels like
57°F
Dew Point
56°F
3 AM
56°F
0%
5mph
NW
Partly Cloudy
Humidity
97%
Feels like
56°F
Dew Point
55°F
4 AM
55°F
0%
5mph
NNW
Hazy
Humidity
95%
Feels like
55°F
Dew Point
54°F
5 AM
54°F
0%
6mph
NNW
Hazy
Humidity
91%
Feels like
54°F
Dew Point
52°F
6 AM
54°F
0%
8mph
NNW
Clear
Humidity
87%
Feels like
54°F
Dew Point
50°F
7 AM
55°F
0%
9mph
N
Clear
Humidity
78%
Feels like
55°F
Dew Point
48°F
7:23 AM
8 AM
57°F
0%
9mph
NNW
Sunny
Humidity
68%
Feels like
57°F
Dew Point
47°F
9 AM
61°F
0%
10mph
N
Sunny
Humidity
58%
Feels like
61°F
Dew Point
46°F
10 AM
65°F
0%
10mph
N
Mostly Sunny
Humidity
51%
Feels like
65°F
Dew Point
46°F
11 AM
67°F
0%
9mph
N
Mostly Sunny
Humidity
48%
Feels like
67°F
Dew Point
47°F
12 PM
70°F
0%
9mph
N
Mostly Sunny
Humidity
46%
Feels like
70°F
Dew Point
48°F
1 PM
71°F
0%
9mph
N
Mostly Sunny
Humidity
45%
Feels like
71°F
Dew Point
49°F
2 PM
72°F
0%
9mph
NNE
Sunny
Humidity
46%
Feels like
72°F
Dew Point
50°F
3 PM
71°F
0%
9mph
NNE
Sunny
Humidity
48%
Feels like
71°F
Dew Point
50°F
4 PM
68°F
0%
8mph
NNE
Sunny
Humidity
53%
Feels like
68°F
Dew Point
50°F
5 PM
65°F
0%
8mph
NNE
Sunny
Humidity
59%
Feels like
65°F
Dew Point
50°F
5:36 PM
6 PM
62°F
0%
7mph
NNE
Clear
Humidity
66%
Feels like
62°F
Dew Point
50°F
7 PM
60°F
0%
7mph
NNE
Clear
Humidity
71%
Feels like
60°F
Dew Point
51°F
8 PM
59°F
0%
7mph
NNE
Clear
Humidity
76%
Feels like
59°F
Dew Point
51°F
9 PM
58°F
0%
7mph
N
Clear
Humidity
80%
Feels like
58°F
Dew Point
52°F
10 PM
57°F
0%
7mph
N
Mostly Clear
Humidity
85%
Feels like
57°F
Dew Point
53°F
11 PM
57°F
0%
7mph
N
Partly Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday'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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