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.

A Few Clouds

55°F

13°C

Humidity 64%
Wind Speed N 3 mph
Barometer 30.16 in (1019.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Feb 5:51 am CST
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Mostly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South southeast wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 81. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 81. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Clear, with a low around 56. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 60. South southeast wind around 5 mph becoming calm after midnight.
Friday
Mostly cloudy, with a high near 81. Light south southeast wind increasing to 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 81. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Clear, with a low around 56. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
6:40 am CST Feb 12, 2026
Forecast Valid:
6am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation