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

80°F

27°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 30.09 in (1018.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Sep 12:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 71. East northeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 95. Calm wind becoming south around 5 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 97. Calm wind becoming south southwest around 5 mph.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 97. South southeast wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 74. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. Calm wind.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 71. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 95. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. East southeast wind around 5 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 97. Calm wind becoming south southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 97. South southeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 74. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 95.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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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:
1:24 am CDT Sep 25, 2026
Forecast Valid:
2am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation