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.

Fair

49°F

9°C

Humidity 50%
Wind Speed N 10 G 22 mph
Barometer 30.40 in (1028.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Mar 6:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Sunny, with a high near 68. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. South southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 44. Calm wind.
Friday
Sunny, with a high near 78. South southwest wind 5 to 10 mph.
Friday Night
Clear, with a low around 51. South wind around 5 mph.
Saturday
Sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 61. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 44. North northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday
Mostly sunny, with a high near 62. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 78.
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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:
6:42 am CDT Mar 12, 2026
Forecast Valid:
6am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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