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

66°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1018.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 1 Nov 6:51 am CST
Extended Forecast for

San Antonio International Airport TX

  • Today

    Today: Mostly cloudy, with a high near 82. Northeast wind around 5 mph becoming east southeast in the morning.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. East southeast wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon. 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 then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North northwest wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. North wind around 5 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 82. Northeast wind around 5 mph becoming east southeast in the morning.
Tonight
Mostly cloudy, with a low around 68. East southeast wind around 5 mph.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm before noon. 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 55. North northwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 77. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph.
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 54.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
5:46 am CST Nov 1, 2026
Forecast Valid:
7am CST Nov 1, 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