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

86°F

30°C

Humidity 59%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 14 Oct 12:35 pm CDT
Extended Forecast for

Williamsport TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Heat index values as high as 97. Southwest wind around 5 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog between 10pm and midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. West wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. North northeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Light east southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Heat index values as high as 97. Southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog between 10pm and midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.
Thursday
Mostly sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 70. West wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 42. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 39. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Light east southeast wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 75.
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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:
5:21 am CDT Oct 14, 2026
Forecast Valid:
12pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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