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

79°F

26°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.08 in (1017.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Aug 1:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Overnight

    Overnight: Partly cloudy, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. South wind around 5 mph.

    High: 97 °F

    Becoming
    Sunny

  • Friday Night

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

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

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

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. South wind around 5 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 97. Heat index values as high as 104. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 75. South southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 96. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
Last Update:
2:42 am CDT Aug 7, 2026
Forecast Valid:
2am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
 
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Additional Resources

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Chance of Precipitation