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

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

83°F

28°C

Humidity 36%
Wind Speed NE 5 mph
Barometer 30.02 in (1014.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 10 Sep 8:51 pm CDT
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Mostly clear, with a low around 70. East northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. East wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Light east wind becoming east southeast 5 to 10 mph in the morning.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 96. Light east southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Light south wind becoming southeast 5 to 10 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 70. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 72. East wind 5 to 10 mph becoming light east southeast after midnight.
Friday
Sunny, with a high near 96. Light east wind becoming east southeast 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 71. Southeast wind 5 to 10 mph becoming light south after midnight.
Saturday
Mostly sunny, with a high near 96. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95. Light south wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 71. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. 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:
6:50 pm CDT Sep 10, 2025
Forecast Valid:
9pm CDT Sep 10, 2025-6pm CDT Sep 17, 2025
 
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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