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.

Fair

85°F

29°C

Humidity 37%
Wind Speed SE 15 mph
Barometer 29.96 in (1012.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 2 Mar 4:51 pm CST
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle after midnight. Increasing clouds, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of drizzle after midnight. Increasing clouds, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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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:
4:32 pm CST Mar 2, 2026
Forecast Valid:
5pm CST Mar 2, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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