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.

Overcast

82°F

28°C

Humidity 70%
Wind Speed S 13 mph
Barometer 29.72 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 2 Aug 1:50 pm CDT
Extended Forecast for

Watertown TN

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 81. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 83. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm.

    Low: 69 °F

    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind around 5 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 81. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 83. North wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 69. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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 Aug 2, 2026
Forecast Valid:
2pm CDT Aug 2, 2026-6pm CDT Aug 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