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

60°F

16°C

Humidity 90%
Wind Speed S 6 mph
Barometer 30.23 in (1022.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Mar 6:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 66. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 90.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
6:44 am CDT Mar 29, 2026
Forecast Valid:
7am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation