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

81°F

27°C

Humidity 74%
Wind Speed S 10 mph
Barometer 29.71 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Jun 9:40 pm CDT
Extended Forecast for

Watertown TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 10am. Increasing clouds, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Juneteenth

    Juneteenth: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 84. North northwest wind around 5 mph.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Calm wind becoming south southeast around 5 mph.

    High: 87 °F

    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

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 5 to 10 mph, with gusts 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 and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. South southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
A chance of showers, then showers and thunderstorms likely after 10am. Increasing clouds, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Juneteenth
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 84. North northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 87. Calm wind becoming south southeast around 5 mph.
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. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 15 mph, with gusts as high as 25 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 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown TN
 36.09°N 86.12°W (Elev. 699 ft)
Last Update:
7:21 pm CDT Jun 17, 2026
Forecast Valid:
9pm CDT Jun 17, 2026-6pm CDT Jun 24, 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