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.

Overcast

71°F

22°C

Humidity 87%
Wind Speed SE 13 mph
Barometer 29.94 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Apr 7:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Cloudy then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 68. South southeast wind 5 to 10 mph.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 68. South southeast wind 5 to 10 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 89. South wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 68. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 55. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms. Cloudy, with a high near 67.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
6:42 am CDT Apr 15, 2026
Forecast Valid:
7am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation