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.

Mostly Cloudy and Breezy

80°F

27°C

Humidity 52%
Wind Speed SE 21 G 30 mph
Barometer 29.92 in (1011.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Mar 6:51 pm CST
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers before 9am, then a slight chance of showers after noon. Cloudy through mid morning, then gradual clearing, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 75. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East northeast wind around 5 mph.

    Low: 66 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 9am, then a slight chance of showers after noon. Cloudy through mid morning, then gradual clearing, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 75. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East northeast wind around 5 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 82.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
5:44 pm CST Mar 4, 2026
Forecast Valid:
7pm CST Mar 4, 2026-6pm CDT Mar 11, 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