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

39°F

4°C

Humidity 36%
Wind Speed Vrbl 6 mph
Barometer 30.47 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Jan 4:30 pm CST
Extended Forecast for

Williamsport TN

  • Tonight

    Tonight: Clear, with a low around 25. Calm wind.

    Low: 25 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50. Calm wind becoming west southwest around 5 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 52. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. Calm wind becoming southwest around 5 mph after midnight.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 25. Calm wind.
Monday
Sunny, with a high near 50. Calm wind becoming west southwest around 5 mph.
Monday Night
Mostly clear, with a low around 30. Calm wind.
Tuesday
Sunny, with a high near 59. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 52. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 22. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 36. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 22. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly cloudy, with a high near 41.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.65°N 87.24°W (Elev. 577 ft)
Last Update:
2:11 pm CST Jan 11, 2026
Forecast Valid:
4pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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