Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

81°F

27°C

Humidity 65%
Wind Speed S 6 mph
Barometer 30.08 in (1016.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 1 Aug 2:51 am CDT
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 77. East wind around 5 mph becoming calm  after midnight.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 78. East wind around 5 mph becoming south southeast after midnight.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 98. South southeast wind around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. East wind around 5 mph becoming south southeast after midnight.
Sunday
Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 98. South southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
1:42 am CDT Aug 1, 2025
3am CDT Aug 1, 2025-6pm CDT Aug 7, 2025
 
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Additional Resources

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