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.

Overcast

27°F

-3°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 2 Dec 10:35 pm CST
Extended Forecast for

3 Miles SSE Portland TN

  • Tonight

    Tonight: Patchy fog between 11pm and midnight. Patchy freezing fog after midnight. Otherwise, mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog between 7am and 9am. Patchy freezing fog before 7am. Otherwise, sunny, with a high near 42. Calm wind becoming south southwest around 5 mph.

    High: 42 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 27. Calm wind becoming north around 5 mph after midnight.

    Low: 27 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. North wind 5 to 10 mph.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 28. North northeast wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 41. Calm wind.

    High: 41 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44. Calm wind becoming west southwest around 5 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between 11pm and midnight. Patchy freezing fog after midnight. Otherwise, mostly cloudy, with a low around 20. Calm wind.
Wednesday
Patchy fog between 7am and 9am. Patchy freezing fog before 7am. Otherwise, sunny, with a high near 42. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 27. Calm wind becoming north around 5 mph after midnight.
Thursday
Mostly cloudy, with a high near 38. North wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 28. North northeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 41. Calm wind.
Friday Night
Mostly cloudy, with a low around 28. Calm wind.
Saturday
Partly sunny, with a high near 44. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph.
Sunday
Partly sunny, with a high near 46.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portland TN
 36.56°N 86.5°W (Elev. 801 ft)
Last Update:
6:46 pm CST Dec 2, 2025
Forecast Valid:
10pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation