National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Columbia / Maury County (KMRC)

Lat: 35.55°NLon: 87.18°WElev: 676ft.

Fair

54°F

12°C

Humidity 22%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 12 Mar 6:10 pm CDT
Extended Forecast for

Williamsport TN

  • Tonight

    Tonight: Clear, with a low around 37. Calm wind becoming south around 5 mph after midnight.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. South southeast wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 77. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain showers before 1am, then rain and snow showers likely. Some thunder is also possible. Low around 33. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 43. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 37. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 67. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 40. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 53. South southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 77. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Rain showers before 1am, then rain and snow showers likely. Some thunder is also possible. Low around 33. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 43. West northwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 20. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.65°N 87.24°W (Elev. 577 ft)
Last Update:
1:31 pm CDT Mar 12, 2026
Forecast Valid:
6pm CDT Mar 12, 2026-6pm CDT Mar 19, 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