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

64°F

18°C

Humidity 64%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 May 10:35 pm CDT
Extended Forecast for

6 Miles SSE Castalian Springs TN

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 80. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. North northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 80. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 47. North northwest wind 5 to 10 mph becoming light north in the evening.
Thursday
Sunny, with a high near 73. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Castalian Springs TN
 36.3°N 86.27°W (Elev. 535 ft)
Last Update:
10:31 pm CDT May 12, 2026
Forecast Valid:
10pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation