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

Hazardous Weather Conditions

Current conditions at

San Antonio - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

Fair

101°F

38°C

Humidity 30%
Wind Speed S 7 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Heat Index104°F (40°C)
Last update 21 Aug 4:55 pm CDT
Extended Forecast for

2 Miles S San Antonio TX

Heat Advisory August 21, 05:45pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 05:45pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    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 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

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

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Clear

  • Tuesday

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

    High: 102 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
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 78. South southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 102. South southwest wind around 5 mph.
Monday Night
Clear, with a low around 78. South southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 102. South wind around 5 mph.
Tuesday Night
Clear, with a low around 79. Southeast wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Clear, with a low around 79.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 79.
Friday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
5:32 pm CDT Aug 21, 2026
Forecast Valid:
5pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation