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.

A Few Clouds

34°F

1°C

Humidity 29%
Wind Speed S 6 mph
Barometer 30.43 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Jan 3:15 pm CST
Extended Forecast for

Cottontown TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 34. South wind around 5 mph.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 24. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 45. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 32. South southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 32 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46. Calm wind becoming north around 5 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 28. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Showers then
    Slight Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 32. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after midnight. Cloudy, with a low around 14. North northeast wind 10 to 15 mph.

    Low: 14 °F

    Cloudy then
    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers. The snow could be heavy at times. High near 23. Northeast wind 10 to 15 mph. Chance of precipitation is 80%.

    High: 23 °F

    Heavy Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 34. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 24. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 45. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 32. South southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 46. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A slight chance of rain showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 28. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 32. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of snow showers after midnight. Cloudy, with a low around 14. North northeast wind 10 to 15 mph.
Saturday
Snow showers. The snow could be heavy at times. High near 23. Northeast wind 10 to 15 mph. Chance of precipitation is 80%.
Saturday Night
Snow showers. Low around 14. Chance of precipitation is 80%.
Sunday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottontown TN
 36.47°N 86.57°W (Elev. 801 ft)
Last Update:
3:21 pm CST Jan 20, 2026
Forecast Valid:
3pm CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation