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.

Overcast

82°F

28°C

Humidity 62%
Wind Speed SW 10 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 10 Sep 12:50 am CDT
Extended Forecast for

Lebanon TN

  • Overnight

    Overnight: Partly cloudy, with a low around 72. South southwest wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 7am, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Patchy fog between midnight and 2am. Otherwise, mostly cloudy, with a low around 69. East wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. South wind around 5 mph. Chance of precipitation is 70%.

    High: 92 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. South southwest wind around 5 mph.
Thursday
A slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A slight chance of showers before 7am, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Patchy fog between midnight and 2am. Otherwise, mostly cloudy, with a low around 69. East wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. South wind around 5 mph. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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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:
1:31 pm CDT Sep 9, 2026
Forecast Valid:
1am CDT Sep 10, 2026-6pm CDT Sep 16, 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