Hourly Weather Forecast - San Marcos, TX

12 AM
65°F
0%
9mph
S
Foggy
Humidity
99%
Feels like
65°F
Dew Point
65°F
1 AM
65°F
0%
8mph
S
Foggy
Humidity
100%
Feels like
65°F
Dew Point
65°F
2 AM
64°F
0%
8mph
S
Foggy
Humidity
100%
Feels like
64°F
Dew Point
64°F
3 AM
64°F
0%
7mph
S
Foggy
Humidity
100%
Feels like
64°F
Dew Point
64°F
4 AM
64°F
0%
7mph
S
Foggy
Humidity
100%
Feels like
64°F
Dew Point
64°F
5 AM
64°F
0%
7mph
S
Foggy
Humidity
100%
Feels like
64°F
Dew Point
64°F
6 AM
64°F
0%
7mph
S
Foggy
Humidity
100%
Feels like
64°F
Dew Point
64°F
7 AM
65°F
0%
7mph
S
Mostly Cloudy
Humidity
97%
Feels like
65°F
Dew Point
64°F
7:24 AM
8 AM
67°F
10%
7mph
S
Mostly Cloudy
Humidity
92%
Feels like
67°F
Dew Point
64°F
9 AM
69°F
10%
8mph
S
Partly Cloudy
Humidity
84%
Feels like
69°F
Dew Point
64°F
10 AM
72°F
10%
9mph
S
Partly Cloudy
Humidity
77%
Feels like
72°F
Dew Point
64°F
11 AM
74°F
20%
10mph
S
Partly Cloudy
Humidity
70%
Feels like
74°F
Dew Point
64°F
12 PM
77°F
30%
11mph
S
30% Chance Rain Showers
Humidity
63%
Feels like
77°F
Dew Point
63°F
1 PM
78°F
30%
11mph
S
30% Chance Rain Showers
Humidity
58%
Feels like
78°F
Dew Point
62°F
2 PM
79°F
30%
11mph
S
30% Chance Rain Showers
Humidity
55%
Feels like
79°F
Dew Point
61°F
3 PM
78°F
30%
11mph
S
30% Chance Rain Showers
Humidity
54%
Feels like
78°F
Dew Point
60°F
4 PM
76°F
30%
10mph
S
30% Chance Rain Showers
Humidity
57%
Feels like
76°F
Dew Point
60°F
5 PM
73°F
10%
9mph
SSE
Partly Cloudy
Humidity
63%
Feels like
73°F
Dew Point
59°F
5:38 PM
6 PM
70°F
0%
8mph
SSE
Partly Cloudy
Humidity
70%
Feels like
70°F
Dew Point
60°F
7 PM
68°F
10%
8mph
SSE
Partly Cloudy
Humidity
76%
Feels like
68°F
Dew Point
60°F
8 PM
67°F
10%
9mph
SSE
Partly Cloudy
Humidity
80%
Feels like
67°F
Dew Point
60°F
9 PM
65°F
10%
10mph
SSE
Mostly Clear
Humidity
85%
Feels like
65°F
Dew Point
61°F
10 PM
64°F
10%
10mph
SSE
Partly Cloudy
Humidity
90%
Feels like
64°F
Dew Point
62°F
11 PM
64°F
0%
9mph
S
Partly Cloudy
Humidity
95%
Feels like
64°F
Dew Point
62°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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