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

  • Overnight

    Overnight: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. South southwest wind around 5 mph becoming west northwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 39. Northeast wind around 10 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Cloudy, with a high near 54. East northeast wind 5 to 10 mph.

    High: 54 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47. East wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 69. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 48. South southwest wind around 5 mph becoming west northwest after midnight.
Sunday
Partly sunny, with a high near 59. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Sunday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 39. Northeast wind around 10 mph.
Monday
A 50 percent chance of showers. Cloudy, with a high near 54. East northeast wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47. East wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 73.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
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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:
1:25 am CST Feb 28, 2026
Forecast Valid:
2am CST Feb 28, 2026-6pm CST Mar 6, 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