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

69°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 30.11 in (1018.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 31 Oct 11:51 pm CST
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. Calm wind becoming northeast around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. East southeast wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 9am. 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 1am. Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 80. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North northwest wind around 5 mph.

    Low: 56 °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 56. Calm wind.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. Calm wind becoming northeast around 5 mph.
Sunday
Partly sunny, with a high near 82. Northeast wind around 5 mph becoming east southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 69. East southeast wind around 5 mph.
Monday
Patchy fog before 9am. 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 1am. Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 80. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Mostly clear, with a low around 56. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 77. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 74.
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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:
1:24 am CDT Nov 1, 2026
Forecast Valid:
1am CDT 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