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

79°F

26°C

Humidity 54%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 9:10 pm CDT
Extended Forecast for

7 Miles SSE Castalian Springs TN

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 91. Light south wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 73. South 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.

    Low: 73 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86. Calm wind becoming north around 5 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 64. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 91. Light south wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 73. South 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.
Monday
Showers and possibly a thunderstorm. High near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Monday Night
Showers likely and possibly a thunderstorm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86. Calm wind becoming north around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64. Calm wind.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Castalian Springs TN
 36.3°N 86.27°W (Elev. 535 ft)
Last Update:
7:16 pm CDT Jun 20, 2026
Forecast Valid:
9pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation