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

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly after 4pm. Cloudy, with a high near 58. West southwest wind around 5 mph.

    High: 58 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 45. Southeast wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 8am. Partly sunny, with a high near 57. North northeast wind around 5 mph.

    High: 57 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. North northeast wind around 5 mph becoming calm.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

  • Saturday

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

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. South southwest wind around 5 mph becoming north after midnight.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. North northeast wind 5 to 10 mph.

    High: 61 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly after 4pm. Cloudy, with a high near 58. West southwest wind around 5 mph.
Tonight
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 45. Southeast wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of showers, mainly before 8am. Partly sunny, with a high near 57. North northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 40. North northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 63. Calm wind.
Friday Night
Clear, with a low around 39. Calm wind.
Saturday
Sunny, with a high near 69. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 44. South southwest wind around 5 mph becoming north after midnight.
Sunday
Mostly cloudy, with a high near 61. North northeast wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 44.
Monday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
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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:
12:31 pm CST Feb 25, 2026
Forecast Valid:
3pm CST Feb 25, 2026-6pm CST Mar 3, 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