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.

Fair

71°F

22°C

Humidity 17%
Wind Speed SW 6 mph
Barometer 30.16 in (1020.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 6 Feb 7:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. North northwest wind around 5 mph becoming southeast in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm after midnight.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 77. South wind 5 to 10 mph.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming west northwest after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 80. North northwest wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59. South southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 77. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming west northwest after midnight.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.5°N 98.53°W (Elev. 810 ft)
Last Update:
6:46 pm CST Feb 6, 2026
Forecast Valid:
8pm CST Feb 6, 2026-6pm CST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation