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.

Overcast

75°F

24°C

Humidity 100%
Wind Speed SW 9 G 15 mph
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Last update 14 Jun 7:30 am CDT
Extended Forecast for

Williamsport TN

  • Today

    Today: Showers and thunderstorms, mainly before 2pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 2pm. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Calm wind.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 70. South southwest wind around 5 mph becoming calm.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72.
Juneteenth
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport TN
 35.63°N 87.24°W (Elev. 705 ft)
Last Update:
5:46 am CDT Jun 14, 2025
Forecast Valid:
7am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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