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.

Mostly Cloudy

73°F

23°C

Humidity 81%
Wind Speed N 10 G 20 mph
Barometer 30.11 in (1017.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 5 Oct 2:51 am CDT
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: Partly cloudy, with a low around 72. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

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

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. Northeast wind 5 to 10 mph.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. East northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. North northeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. East northeast wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 84. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 68. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 85. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 67. Northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 87. East northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 69. North northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 87. East northeast wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 87.
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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:
2:44 am CDT Oct 5, 2026
Forecast Valid:
3am CDT Oct 5, 2026-6pm CDT Oct 11, 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