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.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Jul 5:10 pm CDT
Extended Forecast for

6 Miles SSW Hartsville TN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 20%.

    High: 91 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph.

    High: 94 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. Calm wind becoming south southwest around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the morning.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Monday Night
Partly cloudy, with a low around 76. Calm wind becoming south southwest around 5 mph.
Tuesday
Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming north around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Hartsville TN
 36.32°N 86.19°W (Elev. 440 ft)
Last Update:
1:31 pm CDT Jul 25, 2026
Forecast Valid:
5pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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