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.

Mostly Cloudy with Haze

76°F

24°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 26 Jul 6:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Today

    Today: Sunny, with a high near 96. Heat index values as high as 102. South southwest wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Tonight

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

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100. South southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 102. South southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Monday
Sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 98. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny and hot, with a high near 100. South southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
Last Update:
6:42 am CDT Jul 26, 2026
Forecast Valid:
7am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation