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

64°F

18°C

Humidity 45%
Wind Speed E 7 mph
Barometer 30.20 in (1021.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 12 Feb 9:51 am CST
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Mostly sunny, with a high near 80. East southeast wind around 5 mph becoming south 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 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 5 to 15 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 5 to 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. East southeast wind around 5 mph becoming south 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 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 5 to 15 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 5 to 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 51.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 85.
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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:
10:45 am CST Feb 12, 2026
Forecast Valid:
10am 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