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

  • Today

    Today: A 40 percent chance of showers, mainly between noon and 5pm. Increasing clouds, with a high near 61. South wind around 5 mph.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 10pm and midnight, then rain after midnight. Low around 47. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Rain

  • Sunday

    Sunday: Rain, mainly before noon, then showers likely after noon. High near 53. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 42. North wind 5 to 10 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61. Northeast wind around 5 mph becoming calm.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
A 40 percent chance of showers, mainly between noon and 5pm. Increasing clouds, with a high near 61. South wind around 5 mph.
Tonight
Showers likely, mainly between 10pm and midnight, then rain after midnight. Low around 47. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, mainly before noon, then showers likely after noon. High near 53. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 42. North wind 5 to 10 mph.
Washington's Birthday
Mostly sunny, with a high near 61. Northeast wind around 5 mph becoming calm.
Monday Night
Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 66. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Cloudy, with a low around 56. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottontown TN
 36.47°N 86.57°W (Elev. 801 ft)
Last Update:
5:31 am CST Feb 14, 2026
Forecast Valid:
8am CST Feb 14, 2026-6pm CST Feb 20, 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