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

79°F

26°C

Humidity 28%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 4:55 pm CDT
Extended Forecast for

3 Miles E Cottontown TN

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. South wind around 5 mph becoming west in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. East northeast wind around 5 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. East southeast wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Heavy Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 83. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 56. North wind around 5 mph.
Friday
Sunny, with a high near 84. East northeast wind around 5 mph.
Friday Night
Partly cloudy, with a low around 59. East southeast wind around 5 mph.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Columbus Day
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Cottontown TN
 36.49°N 86.54°W (Elev. 899 ft)
Last Update:
1:31 pm CDT Oct 6, 2026
Forecast Valid:
5pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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