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

101°F

38°C

Humidity 26%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1014.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 22 Aug 2:51 pm CDT
Extended Forecast for

3 Miles NW Windcrest TX

Heat Advisory August 22, 03:34pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 03:34pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. Southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76. South southeast wind around 10 mph.

    Low: 76 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 103. Heat index values as high as 108. East southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph becoming southwest after midnight.
Sunday
Sunny and hot, with a high near 103. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 103. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind around 5 mph.
Tuesday Night
Clear, with a low around 76. South southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 103. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny and hot, with a high near 103.
Thursday Night
Partly cloudy, with a low around 79.
Friday
Mostly sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Windcrest TX
 29.55°N 98.4°W (Elev. 850 ft)
Last Update:
2:44 pm CDT Aug 22, 2026
Forecast Valid:
3pm CDT Aug 22, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation