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

54°F

12°C

Humidity 88%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 7:30 am CDT
Extended Forecast for

Lebanon TN

  • Today

    Today: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49. Northwest wind 5 to 10 mph becoming light north northeast after midnight.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Light north wind increasing to 5 to 10 mph in the morning.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind around 10 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind.
Tonight
Increasing clouds, with a low around 56. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 81. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 49. Northwest wind 5 to 10 mph becoming light north northeast after midnight.
Thursday
Sunny, with a high near 73. Light north wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 83. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon TN
 36.21°N 86.34°W (Elev. 548 ft)
Last Update:
5:51 am CDT May 12, 2026
Forecast Valid:
8am CDT May 12, 2026-6pm CDT May 18, 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