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

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Aug 1:50 am CDT
Extended Forecast for

Watertown TN

  • Overnight

    Overnight: A slight chance of sprinkles. Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    Sprinkles

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 83. North wind 5 to 10 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 68. North wind around 5 mph becoming calm.

    Low: 68 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. South southwest wind around 5 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of sprinkles. Mostly cloudy, with a low around 67. Calm wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 83. North wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, partly cloudy, with a low around 68. North wind around 5 mph becoming calm.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 91. South southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 71. South wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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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 am CDT Aug 3, 2026
Forecast Valid:
2am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation