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

72°F

22°C

Humidity 59%
Wind Speed Vrbl 3 mph
Barometer 30.15 in (1019.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Feb 12:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind around 5 mph.

    High: 79 °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 becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    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 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

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

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind around 5 mph.
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 becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Mostly clear, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 76. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
12:48 pm CST Feb 12, 2026
Forecast Valid:
1pm CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation