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

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

83°F

28°C

Humidity 63%
Wind Speed SE 8 mph
Barometer 30.01 in (1014.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Aug 12:53 am CDT
Extended Forecast for

3 Miles SSE San Antonio TX

  • Overnight

    Overnight: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 104. South southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 108. South wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

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

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 104. South southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 79. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 108. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 102. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 80. Southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 103.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 101.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.48°W (Elev. 646 ft)
Last Update:
1:28 am CDT Aug 19, 2026
Forecast Valid:
1am CDT Aug 19, 2026-6pm CDT Aug 25, 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

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Chance of Precipitation