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

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 29.92 in (1012.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 3 Aug 6:56 am CDT
Extended Forecast for

Kyle TX

  • Today

    Today: Sunny and hot, with a high near 100. West southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Heat index values as high as 101. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 100. West southwest wind around 5 mph becoming south southeast in the afternoon.
Tonight
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. Heat index values as high as 101. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 97. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 96. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 96. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 75.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kyle TX
 29.99°N 97.89°W (Elev. 791 ft)
Last Update:
6:42 am CDT Aug 3, 2026
Forecast Valid:
7am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
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