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.

A Few Clouds

82°F

28°C

Humidity 70%
Wind Speed S 12 mph
Barometer 29.71 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 8:35 pm CDT
Extended Forecast for

4 Miles S Hartsville TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Heavy Rain
    and Patchy
    Fog

  • Juneteenth

    Juneteenth: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. North wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 88. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Juneteenth
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
Showers, with thunderstorms also possible after 1pm. High near 84. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Hartsville TN
 36.34°N 86.16°W (Elev. 531 ft)
Last Update:
7:21 pm CDT Jun 17, 2026
Forecast Valid:
8pm CDT Jun 17, 2026-6pm CDT Jun 24, 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