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

48°F

9°C

Humidity 63%
Wind Speed NW 5 mph
Barometer 30.18 in (1020.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 Feb 4:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: Partly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. South southeast wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Cloudy, with a high near 74. South wind 5 to 10 mph.

    High: 74 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 54. South wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 59. South southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers after noon. Cloudy, with a high near 74. South wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 58. East southeast wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
5:36 am CST Feb 8, 2026
Forecast Valid:
5am CST Feb 8, 2026-6pm CST Feb 14, 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