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.

Mostly Cloudy

37°F

3°C

Humidity 87%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 Jan 11:50 pm CST
Extended Forecast for

South Carthage TN

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 10pm. Patchy fog between 9pm and 2am. Otherwise, cloudy, with a low around 40. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 53. Calm wind becoming north around 5 mph in the afternoon.

    High: 53 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27. North northwest wind around 5 mph becoming calm.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 59. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. South wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Friday
A 20 percent chance of showers after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Friday Night
Showers likely, mainly after 10pm. Patchy fog between 9pm and 2am. Otherwise, cloudy, with a low around 40. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 53. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27. North northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 48. Calm wind.
Sunday Night
Mostly cloudy, with a low around 31. Calm wind.
Monday
Sunny, with a high near 59. Light south wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 66.
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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:
6:01 pm CST Jan 1, 2026
Forecast Valid:
12am CST Jan 2, 2026-6pm CST Jan 8, 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