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: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers between 7pm and 9pm. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 9pm. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 73 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming north after midnight.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 65. North wind around 5 mph becoming calm.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers between 7pm and 9pm. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers after 9pm. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers and possibly a thunderstorm. High near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming north after midnight.
Sunday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 65. North wind around 5 mph becoming calm.
Sunday Night
Partly cloudy, with a low around 50. Calm wind becoming south around 5 mph.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
Showers. High near 74. Chance of precipitation is 80%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottontown TN
 36.47°N 86.57°W (Elev. 801 ft)
Last Update:
12:31 am CST Mar 5, 2026
Forecast Valid:
12am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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