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.

Overcast

73°F

23°C

Humidity 27%
Wind Speed NE 8 mph
Barometer 30.14 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 1 Mar 2:10 pm CST
Extended Forecast for

Williamsport TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. Northeast wind around 5 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 50. Northeast wind around 5 mph becoming calm.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 3pm. Mostly cloudy, with a high near 70. Calm wind becoming south southwest around 5 mph.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Northeast wind around 5 mph.
Tonight
A 40 percent chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 50. Northeast wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers, mainly before 3pm. Mostly cloudy, with a high near 70. Calm wind becoming south southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 55. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 58. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. South wind around 5 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.65°N 87.27°W (Elev. 568 ft)
Last Update:
12:31 pm CST Mar 1, 2026
Forecast Valid:
2pm CST Mar 1, 2026-6pm CST Mar 7, 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