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.

Light Rain

57°F

14°C

Humidity 78%
Wind Speed NE 7 mph
Barometer 30.26 in (1023.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 5 Apr 3:51 pm CDT
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 67. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers between 1am and 4am. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 73. East northeast wind 5 to 10 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. East wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73. East southeast wind around 5 mph.

    High: 73 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

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

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63. East southeast wind around 5 mph.

    Low: 63 °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

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 67. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers between 1am and 4am. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 73. East northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 52. East wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 73. East southeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 57. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 77. East southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 63. 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.
Friday
A 30 percent chance of showers and thunderstorms. 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 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
 29.5°N 98.53°W (Elev. 810 ft)
Last Update:
3:46 pm CDT Apr 5, 2026
Forecast Valid:
4pm CDT Apr 5, 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