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.

Partly Cloudy

59°F

15°C

Humidity 69%
Wind Speed E 3 mph
Barometer 30.08 in (1017.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 8 Apr 1:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Partly cloudy, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 61. Southeast wind around 5 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. East wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 61. Southeast wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Light east wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
2:44 am CDT Apr 8, 2026
Forecast Valid:
2am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation