Hourly Weather Forecast - San Marcos, TX

12 AM
57°F
0%
6mph
N
Partly Cloudy
Humidity
87%
Feels like
57°F
Dew Point
54°F
1 AM
57°F
0%
6mph
N
Partly Cloudy
Humidity
88%
Feels like
57°F
Dew Point
54°F
2 AM
57°F
0%
5mph
N
Partly Cloudy
Humidity
88%
Feels like
57°F
Dew Point
54°F
3 AM
57°F
0%
5mph
N
Partly Cloudy
Humidity
88%
Feels like
57°F
Dew Point
54°F
4 AM
57°F
0%
5mph
N
Mostly Cloudy
Humidity
89%
Feels like
57°F
Dew Point
54°F
5 AM
58°F
0%
5mph
N
Mostly Cloudy
Humidity
89%
Feels like
58°F
Dew Point
54°F
6 AM
58°F
0%
5mph
N
Mostly Cloudy
Humidity
91%
Feels like
58°F
Dew Point
55°F
7 AM
59°F
10%
5mph
NNE
Mostly Cloudy
Humidity
90%
Feels like
59°F
Dew Point
56°F
7:23 AM
8 AM
61°F
10%
4mph
NE
Mostly Cloudy
Humidity
88%
Feels like
61°F
Dew Point
58°F
9 AM
64°F
10%
4mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
64°F
Dew Point
59°F
10 AM
66°F
10%
5mph
ESE
Mostly Cloudy
Humidity
83%
Feels like
66°F
Dew Point
61°F
11 AM
69°F
0%
6mph
SSE
Mostly Cloudy
Humidity
81%
Feels like
69°F
Dew Point
62°F
12 PM
71°F
0%
6mph
S
Mostly Cloudy
Humidity
78%
Feels like
71°F
Dew Point
64°F
1 PM
73°F
0%
7mph
S
Partly Cloudy
Humidity
75%
Feels like
73°F
Dew Point
64°F
2 PM
74°F
0%
9mph
SSW
Partly Cloudy
Humidity
73%
Feels like
74°F
Dew Point
65°F
3 PM
74°F
0%
9mph
SSW
Partly Cloudy
Humidity
72%
Feels like
74°F
Dew Point
65°F
4 PM
73°F
0%
8mph
S
Partly Cloudy
Humidity
75%
Feels like
73°F
Dew Point
64°F
5 PM
69°F
0%
7mph
S
Partly Cloudy
Humidity
83%
Feels like
69°F
Dew Point
64°F
5:37 PM
6 PM
67°F
0%
6mph
S
Partly Cloudy
Humidity
92%
Feels like
67°F
Dew Point
64°F
7 PM
65°F
0%
7mph
S
Partly Cloudy
Humidity
96%
Feels like
65°F
Dew Point
64°F
8 PM
65°F
0%
8mph
SSE
Partly Cloudy
Humidity
98%
Feels like
65°F
Dew Point
65°F
9 PM
65°F
0%
9mph
SSE
Foggy
Humidity
100%
Feels like
65°F
Dew Point
65°F
10 PM
65°F
0%
10mph
S
Foggy
Humidity
100%
Feels like
65°F
Dew Point
65°F
11 PM
65°F
0%
9mph
S
Foggy
Humidity
100%
Feels like
65°F
Dew Point
65°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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