National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

65°F

18°C

Humidity 56%
Wind Speed S 15 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 13 Mar 11:51 pm CDT
Extended Forecast for

Castle Hills TX

Fire Weather Watch March 15, 12:00pm until March 16, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Overnight

    Overnight: Mostly clear, with a low around 54. South southeast wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog between 8am and 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 92. South wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph.

    Low: 39 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 57. North wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South southeast wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 54. South southeast wind around 5 mph.
Saturday
Patchy fog between 8am and 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 85. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 92. South wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 39. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph.
Monday
Mostly sunny, with a high near 57. North wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 36. Northeast wind 5 to 10 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 67. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 47. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 87.
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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:
11:34 pm CDT Mar 13, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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