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

56°F

13°C

Humidity 33%
Wind Speed Calm
Barometer 30.17 in (1020.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Mar 11:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. South southwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52. South wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West northwest wind 10 to 15 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 35 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. East wind around 5 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 43. Calm wind.
Friday
Sunny, with a high near 80. South southwest wind 5 to 10 mph.
Friday Night
Clear, with a low around 52. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. West northwest wind 10 to 15 mph becoming north 15 to 20 mph in the evening. Winds could gust as high as 35 mph.
Monday
Mostly sunny, with a high near 60. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 38. East wind around 5 mph.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 83.
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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:
11:32 pm CDT Mar 12, 2026
Forecast Valid:
12am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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