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

4 Miles ESE Cottontown TN

  • Today

    Today: A 20 percent chance of showers before 7am. Mostly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 85 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North northwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. North wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. North northeast wind 5 to 10 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 7am. Mostly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 64. South southwest wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 62. North northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming north after midnight. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 54. North wind around 5 mph.
Sunday
Sunny, with a high near 76. North northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Cottontown TN
 36.47°N 86.51°W (Elev. 801 ft)
Last Update:
12:31 am CDT Sep 3, 2025
Forecast Valid:
4am CDT Sep 3, 2025-6pm CDT Sep 9, 2025
 
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