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.

A Few Clouds

54°F

12°C

Humidity 22%
Wind Speed SE 9 mph
Barometer 30.41 in (1028.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 Feb 7:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Clear, with a low around 40. East southeast wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. North northeast wind around 5 mph becoming southeast in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 40. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 54. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 88. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 5 mph.
Thursday
Sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 54. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 82. North northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 55. Southeast wind around 5 mph.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
5:46 pm CST Feb 23, 2026
Forecast Valid:
8pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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