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

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 May 6:10 am CDT
Extended Forecast for

Summertown TN

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog between 8am and 9am. High near 80. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Chance
    T-storms and
    Areas Fog
    then Showers

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Patchy fog between 8pm and midnight. Low around 62. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am. High near 78. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 80. South southwest wind around 5 mph. Chance of precipitation is 90%.

    High: 80 °F

    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog between 8am and 9am. High near 80. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely, mainly before 9pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Patchy fog between 8pm and midnight. Low around 62. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 80%.
Friday
Showers, with thunderstorms also possible after 10am. High near 78. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 81. South wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind.
Sunday
Showers and possibly a thunderstorm. High near 80. South southwest wind around 5 mph. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 64. Chance of precipitation is 80%.
Memorial Day
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summertown TN
 35.43°N 87.31°W (Elev. 994 ft)
Last Update:
4:21 am CDT May 20, 2026
Forecast Valid:
6am CDT May 20, 2026-6pm CDT May 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