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

54°F

12°C

Humidity 77%
Wind Speed Vrbl 3 mph
Barometer 30.05 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 2 May 7:50 pm CDT
Extended Forecast for

Williamsport TN

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 38. North northwest wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 71 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 51. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 51 °F

    Heavy Rain

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 38. North northwest wind around 5 mph becoming calm.
Sunday
Areas of fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56. South wind around 5 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 51. South southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.65°N 87.27°W (Elev. 568 ft)
Last Update:
7:16 pm CDT May 2, 2026
Forecast Valid:
8pm CDT May 2, 2026-6pm CDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation