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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 1:50 am CDT
Extended Forecast for

Lebanon TN

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming south southwest around 5 mph in the morning.

    High: 94 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 94. South southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

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

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 72. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming south southwest around 5 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.
Thursday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 94. South southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 92. Southwest wind around 5 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon TN
 36.19°N 86.31°W (Elev. 581 ft)
Last Update:
12:30 am CDT Jul 15, 2025
Forecast Valid:
2am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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