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.

Fair

70°F

21°C

Humidity 64%
Wind Speed SE 10 mph
Barometer 30.13 in (1018.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Oct 10:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly clear, with a low around 64. East wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 86. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 65. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 83. East southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62. East southeast wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 64. East wind around 5 mph.
Saturday
Partly sunny, with a high near 86. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 65. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 83. East southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 62. East southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 82. East wind around 5 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East wind around 5 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 79. East northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 80.
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:
6:42 pm CDT Oct 23, 2026
Forecast Valid:
11pm CDT Oct 23, 2026-6pm CDT Oct 30, 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