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

30°F

-1°C

Humidity 93%
Wind Speed Vrbl 3 mph
Barometer 30.15 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 3 Dec 11:55 am CST
Extended Forecast for

3 Miles SSE Portland TN

  • This Afternoon

    This Afternoon: Cloudy, with a high near 36. South southwest wind around 5 mph becoming calm.

    High: 36 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 29. Calm wind becoming north around 5 mph.

    Low: 29 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 37. North northeast wind 5 to 10 mph.

    High: 37 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow showers between 10pm and 1am, then a chance of freezing rain after 1am. Patchy fog after 5am. Otherwise, cloudy, with a low around 30. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Wintry
    Mix and
    Patchy Fog

  • Friday

    Friday: A chance of rain and snow showers before 9am, then a chance of rain showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Rain/Snow and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

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

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 46. North northeast wind 5 to 10 mph.

    High: 46 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 36. South southwest wind around 5 mph becoming calm.
Tonight
Cloudy, with a low around 29. Calm wind becoming north around 5 mph.
Thursday
Mostly cloudy, with a high near 37. North northeast wind 5 to 10 mph.
Thursday Night
A chance of snow showers between 10pm and 1am, then a chance of freezing rain after 1am. Patchy fog after 5am. Otherwise, cloudy, with a low around 30. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers before 9am, then a chance of rain showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 31. Calm wind.
Saturday
Partly sunny, with a high near 47. Calm wind becoming southwest around 5 mph.
Saturday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Calm wind becoming east northeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 46. North northeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 46.
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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:
11:31 am CST Dec 3, 2025
Forecast Valid:
12pm CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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