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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

52°F

11°C

Humidity 69%
Wind Speed S 7 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 5 Dec 3:56 pm CST
Extended Forecast for

2 Miles WNW San Marcos TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Southwest wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind around 5 mph.

    High: 74 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South southwest wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. North wind 5 to 10 mph becoming east in the afternoon.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. East wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Southwest wind around 5 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Southwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 53. South southwest wind around 5 mph.
Sunday
Sunny, with a high near 72. West wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Clear, with a low around 40. North wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 61. North wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 37. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. South wind around 5 mph.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
Last Update:
3:44 pm CST Dec 5, 2025
Forecast Valid:
4pm CST Dec 5, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation