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

3 Miles SSE Portland TN

  • This Afternoon

    This Afternoon: A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 39. North northeast wind around 5 mph. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 10pm. Cloudy, with a low around 28. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers then
    Cloudy

  • Friday

    Friday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Calm wind becoming southwest around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 48. Southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 48 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 27. North wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 39. North northeast wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 39. North northeast wind around 5 mph. Little or no snow accumulation expected.
Tonight
A 50 percent chance of snow showers, mainly before 10pm. Cloudy, with a low around 28. North northeast wind around 5 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Friday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind.
Friday Night
Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Saturday
Mostly sunny, with a high near 47. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 48. Southeast wind around 5 mph becoming west northwest in the afternoon.
Sunday Night
A chance of rain showers before midnight, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 27. North wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 39. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 52.
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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:
11:46 am CST Dec 4, 2025
Forecast Valid:
1pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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