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

79°F

26°C

Humidity 65%
Wind Speed Calm
Barometer 30.04 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 31 Oct 3:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. Northeast wind around 5 mph becoming calm.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 68 °F

    Mostly Cloudy

  • Monday

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

    High: 84 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 10 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers. Partly sunny, with a high near 79. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. North northwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. North northwest wind around 5 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind becoming north around 5 mph after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Calm wind.
Sunday
Partly sunny, with a high near 82. Northeast wind around 5 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 68. Calm wind becoming south southeast around 5 mph after midnight.
Monday
Mostly cloudy, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 10 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers. Partly sunny, with a high near 79. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Mostly clear, with a low around 57. North northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 76. North northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 56. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
2:46 pm CDT Oct 31, 2026
Forecast Valid:
4pm CDT Oct 31, 2026-6pm CST Nov 7, 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