National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

88°F

31°C

Humidity 33%
Wind Speed E 6 mph
Barometer 29.80 in (1008.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Nov 3:56 pm CST
Extended Forecast for

5 Miles SW San Marcos TX

Wind Advisory November 9, 03:00am until November 9, 06:00pm
Red Flag Warning November 9, 09:00am until November 9, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning

  • Tonight

    Tonight: Clear, with a low around 58. East wind 5 to 10 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 69 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 37. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 34. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 34 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. East wind 5 to 10 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 69. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Clear, with a low around 37. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 62. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 34. Calm wind becoming south southwest around 5 mph after midnight.
Veterans Day
Sunny, with a high near 72. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Clear, with a low around 54. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 82. South wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 59. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW San Marcos TX
 29.81°N 97.99°W (Elev. 653 ft)
Last Update:
4:32 pm CST Nov 8, 2025
Forecast Valid:
4pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation