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

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

75°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.03 in (1015.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Sep 4:51 am CDT
Extended Forecast for

3 Miles N Leon Valley TX

  • Today

    Today: Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96. East wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 75. Southeast wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Monday
Sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 96. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Leon Valley TX
 29.52°N 98.61°W (Elev. 896 ft)
Last Update:
2:44 am CDT Sep 19, 2026
Forecast Valid:
5am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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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