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.

Thunderstorm

65°F

18°C

Humidity 90%
Wind Speed NW 13 G 22 mph
Barometer 29.94 in (1012.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 7 Mar 2:51 pm CST
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 57. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    T-storms
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. 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: 71 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 63. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 81. Light east 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 69. South southeast wind around 10 mph.

    Low: 69 °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 63. Southeast wind 10 to 15 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Chance
    Showers then
    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 57. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71. 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 63. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 81. Light east 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 69. South southeast wind around 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 63. Southeast wind 10 to 15 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers before noon. Sunny, with a high near 85. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 73.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
1:44 pm CST Mar 7, 2026
Forecast Valid:
3pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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