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

71°F

22°C

Humidity 87%
Wind Speed S 8 mph
Barometer 29.86 in (1009.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Apr 4:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South southeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 5 mph.

    High: 86 °F

    Cloudy then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 71. South southeast wind around 5 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 91. South southeast wind around 5 mph.

    High: 91 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 92. South wind around 5 mph.

    High: 92 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 93. South wind around 5 mph becoming north northeast in the afternoon.

    High: 93 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 84. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 5 mph.
Friday Night
Increasing clouds, with a low around 71. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 91. South southeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 92. South wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 93. South wind around 5 mph becoming north northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 94.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
Partly sunny, with a high near 92.
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 am CDT Apr 23, 2026
Forecast Valid:
5am CDT Apr 23, 2026-6pm CDT Apr 29, 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