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.

A Few Clouds

79°F

26°C

Humidity 58%
Wind Speed S 10 G 17 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Mar 5:10 pm CST
Extended Forecast for

Watertown TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southwest wind around 10 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 54. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 66. Northwest wind around 5 mph becoming calm.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. South wind 5 to 10 mph.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 54. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 66. Northwest wind around 5 mph becoming calm.
Sunday Night
Partly cloudy, with a low around 51. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Light south southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown TN
 36.11°N 86.12°W (Elev. 699 ft)
Last Update:
3:16 pm CST Mar 6, 2026
Forecast Valid:
5pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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