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 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

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • 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 in the afternoon.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 73. South southwest wind 5 to 10 mph.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
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.
Tonight
Partly cloudy, with a low around 60. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 65. South wind 10 to 15 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 in the afternoon.
Sunday Night
Partly cloudy, with a low around 50. Calm wind becoming south southwest around 5 mph.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 73. South southwest wind 5 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 78.
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%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cottontown TN
 36.49°N 86.57°W (Elev. 886 ft)
Last Update:
5:32 am CST Mar 5, 2026
Forecast Valid:
9am CST Mar 5, 2026-6pm CDT Mar 11, 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