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

30°F

-1°C

Humidity 80%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 1 Jan 1:55 am CST
Extended Forecast for

South Carthage TN

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Patchy Fog

  • New Year's Day

    New Year's Day: Patchy fog before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Friday

    Friday: Showers likely, mainly after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Calm wind. Chance of precipitation is 60%.

    High: 55 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers. Patchy fog between 8pm and 2am. Low around 40. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 50. North northeast wind around 5 mph.

    High: 50 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 26. North northwest wind around 5 mph becoming calm.

    Low: 26 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 48. Calm wind.

    High: 48 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 27. Calm wind.
New Year's Day
Patchy fog before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph.
Thursday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Friday
Showers likely, mainly after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Calm wind. Chance of precipitation is 60%.
Friday Night
Showers. Patchy fog between 8pm and 2am. Low around 40. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 50. North northeast wind around 5 mph.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 26. North northwest wind around 5 mph becoming calm.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 48. Calm wind.
Sunday Night
Mostly cloudy, with a low around 30. Calm wind.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A 20 percent chance of showers. Cloudy, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Carthage TN
 36.24°N 85.95°W (Elev. 600 ft)
Last Update:
12:31 am CST Jan 1, 2026
Forecast Valid:
2am CST Jan 1, 2026-6pm CST Jan 7, 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