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.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 4.00 mi
Last update 20 Jun 1:35 am CDT
Extended Forecast for

4 Miles WNW Williamsport TN

  • Overnight

    Overnight: Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Areas of fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Areas Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 99. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 73. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 73 °F

    Chance
    T-storms then
    Showers

  • 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

Detailed Forecast

Overnight
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 61. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Saturday Night
Areas of fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 99. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 73. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
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.
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:
1:31 am CDT Jun 20, 2026
Forecast Valid:
1am CDT Jun 20, 2026-6pm CDT Jun 26, 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