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

56°F

13°C

Humidity 84%
Wind Speed NW 3 mph
Barometer 30.14 in (1019.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 Feb 2:51 am CST
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 58. South southeast wind around 5 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 76. South wind 5 to 10 mph.

    High: 76 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 60. South southeast wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Calm wind.
Monday
Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 58. South southeast wind around 5 mph.
Tuesday
Cloudy, with a high near 76. South wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming east southeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 60. South southeast wind around 5 mph.
Friday
Partly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 78.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.5°N 98.53°W (Elev. 810 ft)
Last Update:
2:32 am CST Feb 9, 2026
Forecast Valid:
2am CST Feb 9, 2026-6pm CST Feb 15, 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