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

86°F

30°C

Humidity 70%
Wind Speed S 7 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jul 10:55 am CDT
Extended Forecast for

3 Miles SW Watertown TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 97. West southwest wind around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. West wind around 5 mph becoming calm.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Southwest wind around 5 mph.

    High: 93 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Calm wind becoming south around 5 mph after midnight.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. South southwest wind around 5 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. South southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 97. West southwest wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. West wind around 5 mph becoming calm.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 99. Southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 73. Calm wind becoming south around 5 mph after midnight.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. South southwest wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. South southwest wind around 5 mph. Chance of precipitation is 60%.
Friday Night
A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Watertown TN
 36.07°N 86.18°W (Elev. 1099 ft)
Last Update:
10:44 am CDT Jul 15, 2025
Forecast Valid:
11am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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