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.

Fair

90°F

32°C

Humidity 59%
Wind Speed SE 6 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 14 Aug 2:30 pm CDT
Extended Forecast for

3 Miles S Lebanon TN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind. Chance of precipitation is 20%.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 95. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Calm wind becoming northeast around 5 mph.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 70. Calm wind.
Friday
A slight chance of showers and thunderstorms between 1pm and 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind. Chance of precipitation is 20%.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 70. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 94. Calm wind becoming north northeast around 5 mph.
Saturday Night
Patchy fog after 4am. Otherwise, clear, with a low around 70. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 95. Calm wind becoming northeast around 5 mph.
Sunday Night
Clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 97. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 30 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:
3 Miles S Lebanon TN
 36.17°N 86.31°W (Elev. 643 ft)
Last Update:
12:31 pm CDT Aug 14, 2025
Forecast Valid:
2pm CDT Aug 14, 2025-6pm CDT Aug 20, 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