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

58°F

14°C

Humidity 93%
Wind Speed NW 8 mph
Barometer 30.08 in (1017.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Nov 4:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: Sunny, with a high near 75. North wind 5 to 10 mph becoming light northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind becoming northwest around 5 mph after midnight.

    Low: 52 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. North wind around 5 mph becoming calm in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. South wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 68. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. East southeast wind 5 to 10 mph.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. North wind 5 to 10 mph becoming light northeast in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 52. Calm wind becoming northwest around 5 mph after midnight.
Friday
Sunny, with a high near 75. North wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 54. South wind around 5 mph becoming calm.
Saturday
A 40 percent chance of showers after noon. Partly sunny, with a high near 68. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. East southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Monday
Partly sunny, with a high near 62. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
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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:
4:32 am CST Nov 12, 2026
Forecast Valid:
4am CST Nov 12, 2026-6pm CST Nov 18, 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