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

92°F

33°C

Humidity 52%
Wind Speed S 9 mph
Barometer 30.14 in (1019.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 9 Sep 11:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 98. Heat index values as high as 105. East southeast wind around 5 mph.

    High: 98 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday 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

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Partly sunny, with a high near 98. Heat index values as high as 105. East southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south after midnight.
Thursday
Mostly sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph.
Friday
Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny and hot, with a high near 99. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Partly sunny and hot, with a high near 99.
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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:
11:32 am CDT Sep 9, 2026
Forecast Valid:
12pm CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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