National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Fair

77°F

25°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Jun 7:15 pm CDT
Extended Forecast for

3 Miles E Cottontown TN

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph.

    Low: 72 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    T-storms
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. North wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 1am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. 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 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. North wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 69.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Cottontown TN
 36.47°N 86.54°W (Elev. 692 ft)
Last Update:
6:27 pm CDT Jun 28, 2025
Forecast Valid:
7pm CDT Jun 28, 2025-6pm CDT Jul 5, 2025
 
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