Hourly Weather Forecast - San Marcos, TX

12 AM
66°F
0%
9mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
1 AM
66°F
0%
9mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
2 AM
66°F
0%
9mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
3 AM
66°F
0%
9mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
4 AM
66°F
0%
8mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
5 AM
66°F
0%
8mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
6 AM
66°F
10%
8mph
S
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
7 AM
67°F
10%
8mph
S
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
7:24 AM
8 AM
69°F
10%
9mph
S
Cloudy
Humidity
95%
Feels like
69°F
Dew Point
67°F
9 AM
71°F
20%
9mph
S
Cloudy
Humidity
89%
Feels like
71°F
Dew Point
68°F
10 AM
74°F
20%
10mph
S
Mostly Cloudy
Humidity
83%
Feels like
74°F
Dew Point
68°F
11 AM
75°F
20%
11mph
S
Partly Cloudy
Humidity
77%
Feels like
75°F
Dew Point
68°F
12 PM
77°F
20%
11mph
S
Partly Cloudy
Humidity
71%
Feels like
77°F
Dew Point
67°F
1 PM
79°F
10%
11mph
S
Partly Cloudy
Humidity
66%
Feels like
79°F
Dew Point
66°F
2 PM
79°F
10%
11mph
S
Partly Cloudy
Humidity
62%
Feels like
79°F
Dew Point
65°F
3 PM
79°F
10%
11mph
S
Partly Cloudy
Humidity
61%
Feels like
79°F
Dew Point
64°F
4 PM
77°F
0%
10mph
S
Partly Cloudy
Humidity
65%
Feels like
77°F
Dew Point
64°F
5 PM
74°F
0%
8mph
SSE
Partly Cloudy
Humidity
70%
Feels like
74°F
Dew Point
63°F
5:37 PM
6 PM
71°F
10%
7mph
SSE
Partly Cloudy
Humidity
76%
Feels like
71°F
Dew Point
63°F
7 PM
70°F
10%
8mph
SSE
Mostly Clear
Humidity
81%
Feels like
70°F
Dew Point
64°F
8 PM
68°F
10%
10mph
SSE
Mostly Clear
Humidity
85%
Feels like
68°F
Dew Point
64°F
9 PM
67°F
10%
11mph
SSE
Partly Cloudy
Humidity
89%
Feels like
67°F
Dew Point
64°F
10 PM
66°F
0%
11mph
SSE
Partly Cloudy
Humidity
94%
Feels like
66°F
Dew Point
64°F
11 PM
66°F
0%
10mph
S
Partly Cloudy
Humidity
97%
Feels like
66°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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