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

70°F

21°C

Humidity 87%
Wind Speed E 7 mph
Barometer 30.14 in (1019.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 9 Apr 10:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, with a high near 81. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Cloudy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, with a high near 81. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, 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:
11:32 am CDT Apr 9, 2026
Forecast Valid:
11am CDT Apr 9, 2026-6pm CDT Apr 15, 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