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 51%
Wind Speed SE 6 mph
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 11:10 am CDT
Extended Forecast for

3 Miles SSE Williamsport TN

  • Today

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

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • 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 73. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 85 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

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

    High: 84 °F

    Chance
    Showers and
    Areas 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 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind.
Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 97. Light south wind increasing to 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 73. South wind around 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 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Areas of fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north northwest around 5 mph in the afternoon.
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 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph.
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:
3 Miles SSE Williamsport TN
 35.63°N 87.21°W (Elev. 594 ft)
Last Update:
6:52 am CDT Jun 20, 2026
Forecast Valid:
11am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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