Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

97°F

36°C

Humidity 9%
Wind Speed NW 10 mph
Barometer 29.61 in (1000.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Mar 5:51 pm CDT
Extended Forecast for

Castle Hills TX

Wind Advisory March 15, 06:17pm until March 16, 05:00am
Red Flag Warning March 15, 06:17pm until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 15, 06:17pm until March 16, 05:00am
    Red Flag Warning March 15, 06:17pm until March 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 43 °F

    Haze and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 59. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. North northeast wind 5 to 10 mph becoming east after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. South southeast wind 5 to 10 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South southeast wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind around 5 mph.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Widespread haze before 1am. Mostly clear, with a low around 43. Breezy, with a north northeast wind 15 to 20 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph.
Monday
Mostly sunny, with a high near 59. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 38. North northeast wind 5 to 10 mph becoming east after midnight.
Tuesday
Sunny, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 84. South southwest wind around 5 mph.
Thursday Night
Clear, with a low around 56. South wind around 5 mph.
Friday
Sunny, with a high near 90.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.5°N 98.53°W (Elev. 810 ft)
5:44 pm CDT Mar 15, 2026
6pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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