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.

Overcast

77°F

25°C

Humidity 77%
Wind Speed N 14 mph
Barometer 29.98 in (1013.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Oct 4:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 81 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. Calm wind becoming north around 5 mph after midnight.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. East northeast wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North northeast wind 5 to 10 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. North wind around 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 81. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 71. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 84. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 67. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 86. North wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 67. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 87. East northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 67. North northeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.48°W (Elev. 797 ft)
Last Update:
2:48 pm CDT Oct 3, 2026
Forecast Valid:
5pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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