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.

Overcast

68°F

20°C

Humidity 55%
Wind Speed Calm
Barometer 30.36 in (1026.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Mar 2:51 pm CDT
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. Northeast wind around 5 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. East northeast wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 82 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Northeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 56. East northeast wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Light south southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 63. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
2:46 pm CDT Mar 28, 2026
Forecast Valid:
3pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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