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 79%
Wind Speed SE 6 mph
Barometer 30.16 in (1019.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 10 Apr 9:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. 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: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 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 25 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Cloudy then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. 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
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 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 25 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
6:44 am CDT Apr 10, 2026
Forecast Valid:
10am CDT Apr 10, 2026-6pm CDT Apr 16, 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