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.

A Few Clouds

64°F

18°C

Humidity 83%
Wind Speed N 7 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Nov 4:50 pm CST
Extended Forecast for

Williamsport TN

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the morning.

    High: 69 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Showers, with thunderstorms also possible after 3am. Low around 55. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 70. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 45. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Northwest wind 5 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66. Calm wind.
Sunday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 69. Calm wind becoming south southeast around 5 mph in the morning.
Monday Night
Showers, with thunderstorms also possible after 3am. Low around 55. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 70. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 45. Calm wind becoming west northwest around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 57. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.
Thanksgiving Day
Sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.63°N 87.24°W (Elev. 705 ft)
Last Update:
2:41 pm CST Nov 22, 2025
Forecast Valid:
5pm CST Nov 22, 2025-6pm CST Nov 29, 2025
 
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