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

91°F

33°C

Humidity 45%
Wind Speed SE 14 G 22 mph
Barometer 30.09 in (1017.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 24 Sep 12:51 pm CDT
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 94. Heat index values as high as 100. East wind around 10 mph.

    High: 94 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. East wind 5 to 10 mph becoming light southeast after midnight.

    Low: 77 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph in the morning.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. East wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 94 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95. South wind around 5 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 94. Heat index values as high as 100. East wind around 10 mph.
Tonight
Mostly cloudy, with a low around 77. East wind 5 to 10 mph becoming light southeast after midnight.
Friday
Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 75. East wind around 5 mph.
Saturday
Partly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 75. South southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 95. South wind around 5 mph.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
12:44 pm CDT Sep 24, 2026
Forecast Valid:
12pm CDT Sep 24, 2026-6pm CDT Sep 30, 2026
 
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Additional Resources

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Chance of Precipitation