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

77°F

25°C

Humidity 31%
Wind Speed E 7 mph
Barometer 30.03 in (1015.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Nov 3:51 pm CST
Extended Forecast for

Castle Hills TX

  • Tonight

    Tonight: Clear, with a low around 53. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. Northwest wind around 5 mph becoming calm.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. South southeast wind around 5 mph becoming east northeast after midnight.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 68. Northeast wind 5 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 3am. Cloudy, with a low around 58. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before noon, then a chance of showers. High near 68. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 53. Calm wind becoming west northwest around 5 mph after midnight.
Friday
Sunny, with a high near 75. Northwest wind around 5 mph becoming calm.
Friday Night
Partly cloudy, with a low around 53. South southeast wind around 5 mph becoming east northeast after midnight.
Saturday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 68. Northeast wind 5 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Showers likely, with thunderstorms also possible after 3am. Cloudy, with a low around 58. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm before noon, then a chance of showers. High near 68. East wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 53. Northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 59. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
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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:
2:46 pm CST Nov 12, 2026
Forecast Valid:
4pm CST Nov 12, 2026-6pm CST Nov 19, 2026
 
Forecast Discussion
 
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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