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

Hazardous Weather Conditions

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

97°F

36°C

Humidity 27%
Wind Speed SE 6 mph
Barometer 29.92 in (1011.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 22 Aug 7:53 pm CDT
Extended Forecast for

2 Miles SSE San Antonio TX

Heat Advisory August 22, 08:29pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 08:29pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    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. Heat index values as high as 107. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

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

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. South southwest wind around 5 mph.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South 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. Heat index values as high as 107. Southwest wind around 5 mph becoming south southeast in the afternoon.
Monday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 102. South wind around 5 mph.
Tuesday Night
Clear, with a low around 77. South southeast wind 5 to 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 79. South southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 103.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Mostly sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE San Antonio TX
 29.44°N 98.48°W (Elev. 663 ft)
Last Update:
6:44 pm CDT Aug 22, 2026
Forecast Valid:
8pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation