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

53°F

12°C

Humidity 77%
Wind Speed W 7 mph
Barometer 30.30 in (1025.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 5 Apr 11:51 pm CDT
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: Partly cloudy, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. Northeast wind around 10 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 52. East northeast wind around 5 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. North northeast wind around 5 mph becoming east southeast in the morning.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Southeast wind around 5 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. East southeast wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Southeast wind around 5 mph.

    High: 81 °F

    Cloudy then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. North wind around 5 mph.
Monday
Sunny, with a high near 73. Northeast wind around 10 mph.
Monday Night
Increasing clouds, with a low around 52. East northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 73. North northeast wind around 5 mph becoming east southeast in the morning.
Tuesday Night
Mostly cloudy, with a low around 56. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 77. Southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 62. East southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Southeast wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80.
Saturday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 68.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
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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:
11:54 pm CDT Apr 5, 2026
Forecast Valid:
12am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation