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

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

83°F

28°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.12 in (1018.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 6 Aug 12:51 am CDT
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

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

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Friday
Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 96. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
1:02 am CDT Aug 6, 2025
Forecast Valid:
1am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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