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

77°F

25°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Aug 1:35 am CDT
Extended Forecast for

Summertown TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 89. Heat index values as high as 98. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph.

    High: 88 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Saturday Night

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

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 71. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 89. Heat index values as high as 98. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Calm wind.
Friday Night
Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 92.
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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:
1:04 am CDT Aug 13, 2025
Forecast Valid:
2am CDT Aug 13, 2025-6pm CDT Aug 19, 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