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

84°F

29°C

Humidity 79%
Wind Speed SW 16 mph
Barometer 30.00 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Jun 12:30 pm CDT
Extended Forecast for

Lebanon TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 2am. Partly cloudy, with a low around 69. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 8am. Partly sunny, with a high near 86. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. West northwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 70. South wind around 5 mph becoming calm.

    Low: 70 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly after 2am. Partly cloudy, with a low around 69. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
Showers and thunderstorms likely, mainly before 8am. Partly sunny, with a high near 86. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. West northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 8am. Otherwise, sunny, with a high near 88. Calm wind.
Friday Night
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 92. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 70. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 94. Calm wind.
Sunday Night
Mostly clear, with a low around 72.
Monday
Patchy fog. Otherwise, sunny, with a high near 95.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon TN
 36.21°N 86.34°W (Elev. 548 ft)
Last Update:
11:14 am CDT Jun 18, 2025
Forecast Valid:
1pm CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation