National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lebanon Municipal Airport (KM54)

Lat: 36.19°NLon: 86.32°WElev: 588ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed N 5 mph
Barometer 29.91 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Sep 10:30 am CDT
Extended Forecast for

Lebanon TN

  • Today

    Today: Sunny, with a high near 93. Heat index values as high as 101. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 92. North northeast wind around 5 mph becoming east in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming south southeast after midnight.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. South southwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 101. Light north wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Labor Day
Mostly sunny, with a high near 92. North northeast wind around 5 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 68. East northeast wind around 5 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 94. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southwest wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers. Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lebanon TN
 36.19°N 86.31°W (Elev. 581 ft)
Last Update:
10:36 am CDT Sep 6, 2026
Forecast Valid:
10am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation