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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Cottontown TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 60. West northwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 60 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Northeast wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Cloudy, with a high near 59. East northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 74. South wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Calm wind becoming south southwest around 5 mph after midnight.
Sunday
Increasing clouds, with a high near 60. West northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Sunday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Northeast wind around 10 mph.
Monday
A 50 percent chance of showers. Cloudy, with a high near 59. East northeast wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 52. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 74. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. South wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 62.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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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:
5:16 pm CST Feb 28, 2026
Forecast Valid:
5pm CST Feb 28, 2026-6pm CST Mar 7, 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