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

57°F

14°C

Humidity 83%
Wind Speed N 15 mph
Barometer 30.05 in (1016.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Mar 11:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 56. North northeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 81. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. South southeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. Southeast wind 15 to 20 mph becoming south southwest 5 to 10 mph after midnight. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Sunny, with a high near 84. Southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 56. North northeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 81. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. South southeast wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. Southeast wind 15 to 20 mph becoming south southwest 5 to 10 mph after midnight. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers before noon. Sunny, with a high near 84. Southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 52. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 86.
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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:
10:32 pm CST Mar 7, 2026
Forecast Valid:
11pm CST Mar 7, 2026-6pm CDT Mar 14, 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