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

60°F

16°C

Humidity 39%
Wind Speed N 14 G 23 mph
Barometer 30.33 in (1025.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 12 Mar 1:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Clear, with a low around 47. North northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Clear

  • Thursday

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

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. South wind around 5 mph becoming calm in the evening.

    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

Detailed Forecast

Overnight
Clear, with a low around 47. North northeast wind around 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 68. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 78. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
Clear, with a low around 51. South wind around 5 mph becoming calm in the evening.
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.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 70.
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
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
1:44 am CDT Mar 12, 2026
Forecast Valid:
2am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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