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

68°F

20°C

Humidity 23%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 24 Mar 4:50 pm CDT
Extended Forecast for

Watertown TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 60. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 59. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 60. South southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 60. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 37. East wind around 5 mph.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown TN
 36.09°N 86.15°W (Elev. 709 ft)
Last Update:
1:31 pm CDT Mar 24, 2026
Forecast Valid:
5pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation