National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

70°F

21°C

Humidity 79%
Wind Speed SW 6 mph
Barometer 30.07 in (1016.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 May 3:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 71. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 76. Southeast wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 91. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 91 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 71. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 76. Southeast wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 91. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78.
Monday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
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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:
2:42 am CDT May 13, 2026
Forecast Valid:
4am CDT May 13, 2026-6pm CDT May 19, 2026
 
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Additional Resources

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