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: Showers, mainly before 1pm. High near 59. East wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Tonight

    Tonight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 53 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 73. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. South wind around 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 78. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 80. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Showers, mainly before 1pm. High near 59. East wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 53. Northwest wind 5 to 10 mph becoming southeast after midnight.
Tuesday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 73. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 59. South wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 78. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62. South wind around 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 80. South southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers, mainly after midnight. Mostly clear, with a low around 64.
Saturday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
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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:
5:52 am CST Mar 2, 2026
Forecast Valid:
9am CST Mar 2, 2026-6pm CDT Mar 8, 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