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.

A Few Clouds and Breezy

50°F

10°C

Humidity 21%
Wind Speed N 21 G 43 mph
Barometer 30.19 in (1020.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Mar 3:51 am CDT
Extended Forecast for

Castle Hills TX

Wind Advisory March 16, 04:19am until March 16, 05:00am
Red Flag Warning March 16, 04:19am until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 16, 04:19am until March 16, 05:00am
    Red Flag Warning March 16, 04:19am until March 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 58 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 37. North northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 37 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 66. South wind 5 to 10 mph.

    High: 66 °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 77. South wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South southeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South southwest wind around 5 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Clear

Detailed Forecast

Today
Increasing clouds, with a high near 58. North wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 37. North northeast wind 5 to 10 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 66. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 46. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 77. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 52. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 83. 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. Southwest wind around 5 mph.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 92.
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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:
2:42 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation