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

89°F

32°C

Humidity 38%
Wind Speed S 16 G 28 mph
Barometer 29.86 in (1009.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 1 Apr 3:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Increasing clouds, with a low around 70. South southeast wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 81. South southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 55. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers. Cloudy, with a high near 65. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Cloudy, with a low around 55. North northeast wind 5 to 10 mph.

    Low: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. South southeast wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Increasing clouds, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Showers and possibly a thunderstorm. High near 81. South southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 55. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers. Cloudy, with a high near 65. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers. Cloudy, with a low around 55. North northeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly cloudy, with a high near 75.
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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:
4:02 pm CDT Apr 1, 2026
Forecast Valid:
4pm CDT Apr 1, 2026-6pm CDT Apr 8, 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