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

72°F

22°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.70 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 15 May 6:53 am CDT
Extended Forecast for

4 Miles SSE San Antonio TX

Heat Advisory May 15, 01:00pm until May 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Partly sunny and hot, with a high near 102. Heat index values as high as 106. South wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 102. Heat index values as high as 108. South wind around 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Friday Night

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

    Low: 77 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and hot, with a high near 101. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Isolated showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    T-storms

  • Sunday

    Sunday: Partly sunny and hot, with a high near 99. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 99. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Partly sunny and hot, with a high near 102. Heat index values as high as 106. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny and hot, with a high near 102. Heat index values as high as 108. South wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny and hot, with a high near 101. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Isolated showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Partly sunny and hot, with a high near 99. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny and hot, with a high near 99. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Isolated showers and thunderstorms. Partly sunny, with a high near 97. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE San Antonio TX
 29.39°N 98.48°W (Elev. 627 ft)
Last Update:
6:42 am CDT May 15, 2025
Forecast Valid:
7am CDT May 15, 2025-6pm CDT May 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation