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.

Fog/Mist

75°F

24°C

Humidity 88%
Wind Speed S 7 mph
Barometer 29.73 in (1004.7 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 25 Apr 4:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 92. Calm wind becoming south southeast around 5 mph in the morning.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 93. Heat index values as high as 100. South wind around 5 mph.

    High: 93 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

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

    High: 95 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the morning.

    High: 93 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 92. Calm wind becoming south southeast around 5 mph in the morning.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 70. South southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 93. Heat index values as high as 100. South wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 95. South wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 74. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 97. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
5:32 am CDT Apr 25, 2026
Forecast Valid:
5am CDT Apr 25, 2026-6pm CDT May 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