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

82°F

28°C

Humidity 12%
Wind Speed SE 14 mph
Barometer 30.15 in (1019.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Feb 2:51 pm CST
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South southeast wind around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. South 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: Partly cloudy, with a low around 54. South wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 58. South wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 51. South 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
Partly cloudy, with a low around 54. South wind around 5 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 58. South wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
2:33 pm CST Feb 7, 2026
Forecast Valid:
3pm CST Feb 7, 2026-6pm CST Feb 13, 2026
 
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Additional Resources

Radar & Satellite Image

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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