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

81°F

27°C

Humidity 37%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Oct 6:10 pm CDT
Extended Forecast for

Williamsport TN

  • Tonight

    Tonight: Patchy fog between 2am and 5am. Otherwise, clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Northeast wind around 5 mph becoming calm.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. East southeast wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. East wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 57. Northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 73. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 2am and 5am. Otherwise, clear, with a low around 55. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 55. Northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. East southeast wind around 5 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. East wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 57. Northeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 73. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 78.
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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:
4:31 pm CDT Oct 7, 2026
Forecast Valid:
6pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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