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.

Fair

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 11:55 pm CDT
Extended Forecast for

3 Miles NE Cottontown TN

  • Overnight

    Overnight: Clear, with a low around 63. North wind around 5 mph becoming calm.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming north northeast around 5 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62. East wind around 5 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 86. East southeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. East northeast wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 63. North wind around 5 mph becoming calm.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming north northeast around 5 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62. East wind around 5 mph.
Tuesday
Sunny, with a high near 86. East southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 66. East northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Cottontown TN
 36.52°N 86.56°W (Elev. 899 ft)
Last Update:
8:01 pm CDT Aug 22, 2026
Forecast Valid:
12am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation