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.

Overcast

74°F

23°C

Humidity 94%
Wind Speed N 7 mph
Barometer 29.98 in (1013.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Oct 5:51 am CDT
Extended Forecast for

Castle Hills TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 81. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 71. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. North wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. East northeast wind 5 to 10 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 81. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 71. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 83. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 71. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 84. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 66. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 86. North wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 65. Calm wind becoming north northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 86. East northeast wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
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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:
5:32 am CDT Oct 3, 2026
Forecast Valid:
6am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation