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

52°F

11°C

Humidity 89%
Wind Speed NW 6 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 14 Nov 4:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers after 3pm. Partly sunny, with a high near 70. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, then showers and thunderstorms after midnight. Low around 60. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms before 3pm, then showers likely. High near 69. Southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. East northeast wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. East northeast wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers after 3pm. Partly sunny, with a high near 70. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, then showers and thunderstorms after midnight. Low around 60. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before 3pm, then showers likely. High near 69. Southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 58. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 62. East northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 54. East northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 66. East wind around 5 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers. Cloudy, with a high near 70.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
4:32 am CST Nov 14, 2026
Forecast Valid:
5am CST Nov 14, 2026-6pm CST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation