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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 14 Jul 12:10 am CDT
Extended Forecast for

7 Miles SSW Hartsville TN

  • Overnight

    Overnight: A slight chance of showers and thunderstorms between 4am and 5am. Patchy fog. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the morning.

    High: 94 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms between 4am and 5am. Patchy fog. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Monday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 71. Calm wind.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 72. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Hartsville TN
 36.3°N 86.22°W (Elev. 495 ft)
Last Update:
12:30 am CDT Jul 14, 2025
Forecast Valid:
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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