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

18°F

-8°C

Humidity 53%
Wind Speed N 3 mph
Barometer 30.38 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 19 Jan 10:15 pm CST
Extended Forecast for

3 Miles SSE Portland TN

  • Tonight

    Tonight: Clear, with a low around 12. Calm wind.

    Low: 12 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Calm wind becoming south around 5 mph in the morning.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 5am. Mostly clear, with a low around 25. South wind 5 to 15 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

    Low: 25 °F

    Mostly Clear
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 45. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 32. South southwest wind 5 to 10 mph becoming west after midnight.

    Low: 32 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West northwest wind around 5 mph becoming north in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. North northeast wind 5 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. North northeast wind around 10 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Cloudy, with a low around 14. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Clear, with a low around 12. Calm wind.
Tuesday
Sunny, with a high near 35. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
A 30 percent chance of snow showers after 5am. Mostly clear, with a low around 25. South wind 5 to 15 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 45. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 32. South southwest wind 5 to 10 mph becoming west after midnight.
Thursday
Mostly sunny, with a high near 45. West northwest wind around 5 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. North northeast wind 5 to 10 mph.
Friday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. North northeast wind around 10 mph.
Friday Night
A 40 percent chance of snow showers. Cloudy, with a low around 14. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow. Cloudy, with a high near 21.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 9.
Monday
Sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
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:
7:01 pm CST Jan 19, 2026
Forecast Valid:
10pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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