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

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Jun 8:10 am CDT
Extended Forecast for

4 Miles WNW Williamsport TN

  • Today

    Today: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 98. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 85. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north northwest around 5 mph.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind.
Tonight
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 66. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 98. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 85. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
A 50 percent chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north northwest around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsport TN
 35.68°N 87.29°W (Elev. 577 ft)
Last Update:
6:52 am CDT Jun 20, 2026
Forecast Valid:
8am CDT Jun 20, 2026-6pm CDT Jun 26, 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