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

86°F

30°C

Humidity 39%
Wind Speed S 6 G 18 mph
Barometer 30.03 in (1015.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 10 Oct 12:51 pm CDT
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South southeast wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 72. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 93. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 69. South wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 72. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Columbus Day
Partly sunny, with a high near 93. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 84.
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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:
1:28 pm CDT Oct 10, 2026
Forecast Valid:
1pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation