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

83°F

28°C

Humidity 67%
Wind Speed SE 10 mph
Barometer 30.09 in (1016.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 24 Sep 11:51 pm CDT
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. Calm wind becoming east around 5 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Saturday

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

    High: 94 °F

    Partly Sunny

  • Saturday Night

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

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. South southeast wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 95. Calm wind becoming east around 5 mph in the morning.
Friday Night
Increasing clouds, with a low around 75. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 75. East southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 96. South southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, 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 and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
12:42 am CDT Sep 25, 2026
Forecast Valid:
12am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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