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.

Mostly Cloudy

78°F

26°C

Humidity 62%
Wind Speed S 10 mph
Barometer 30.13 in (1018.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Oct 6:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 82. East southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 61. East wind 5 to 10 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Monday

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

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East wind around 5 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. East southeast wind around 5 mph.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 82. East southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 61. East wind 5 to 10 mph.
Monday
Partly sunny, with a high near 82. East southeast wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 66. East wind around 5 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East wind around 5 mph. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. East southeast wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 67. East southeast wind around 5 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
Mostly cloudy, with a high near 83.
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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 24, 2026
Forecast Valid:
7pm CDT Oct 24, 2026-6pm CDT Oct 31, 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