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.

Mostly Cloudy

68°F

20°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.73 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 2 Aug 12:50 am CDT
Extended Forecast for

3 Miles SSE Williamsport TN

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Areas Fog

  • Sunday

    Sunday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Areas
    Fog

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Areas Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north northwest around 5 mph. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 68. Calm wind.
Sunday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Areas of fog after 10pm. Otherwise, partly cloudy, with a low around 67. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming north northwest around 5 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 68. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Williamsport TN
 35.6°N 87.21°W (Elev. 600 ft)
Last Update:
5:57 pm CDT Aug 1, 2026
Forecast Valid:
1am CDT Aug 2, 2026-6pm CDT Aug 8, 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