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

83°F

28°C

Humidity 32%
Wind Speed S 8 mph
Barometer 30.06 in (1016.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 9 Feb 2:51 pm CST
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. South wind around 5 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. South southeast wind around 5 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog between 7am and 10am. Otherwise, cloudy, with a high near 75. South wind around 5 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. East northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South southeast wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 83. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 57. South southeast wind around 5 mph.
Tuesday
Patchy fog between 7am and 10am. Otherwise, cloudy, with a high near 75. South wind around 5 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. South southeast wind around 5 mph.
Friday
Mostly cloudy, with a high near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 62.
Saturday
A 40 percent chance of showers and thunderstorms. 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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
2:32 pm CST Feb 9, 2026
Forecast Valid:
3pm CST Feb 9, 2026-6pm CST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation