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.

Mostly Cloudy

84°F

29°C

Humidity 37%
Wind Speed S 14 G 24 mph
Barometer 29.82 in (1008.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Feb 3:51 pm CST
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South southeast wind 5 to 10 mph becoming north northeast after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 80. East northeast wind around 5 mph becoming south in the afternoon.

    High: 80 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. South southeast wind around 5 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. South wind around 5 mph becoming north in the morning.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78. Northeast wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60. East northeast wind around 5 mph becoming north after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 60. South southeast wind 5 to 10 mph becoming north northeast after midnight.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 80. East northeast wind around 5 mph becoming south in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. South southeast wind around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. South wind around 5 mph becoming north in the morning.
Thursday Night
Mostly cloudy, with a low around 61. East wind around 5 mph.
Friday
Partly sunny, with a high near 78. Northeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 60. East northeast wind around 5 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 64.
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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:
3:46 pm CST Feb 17, 2026
Forecast Valid:
3pm CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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Additional Resources

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