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.

Partly Cloudy

94°F

34°C

Humidity 38%
Wind Speed S 12 mph
Barometer 29.99 in (1013.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 9 Jul 5:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 7pm, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Southeast wind around 5 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers before 7pm, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 101. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Southeast wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
5:32 pm CDT Jul 9, 2026
Forecast Valid:
6pm CDT Jul 9, 2026-6pm CDT Jul 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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