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: Mostly cloudy, with a high near 47. South southwest wind around 5 mph becoming north northwest.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between midnight and 3am. Cloudy, with a low around 35. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Cloudy then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 40. North wind 5 to 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 27 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 31. Northwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 44. Northwest wind 5 to 10 mph becoming southwest in the morning.

    High: 44 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. South southwest wind around 5 mph becoming north northwest.
Tonight
A slight chance of showers between midnight and 3am. Cloudy, with a low around 35. North wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 40. North wind 5 to 10 mph.
Monday Night
Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 49. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 53. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 31. Northwest wind 5 to 10 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 44. Northwest wind 5 to 10 mph becoming southwest in the morning.
Thursday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 26.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 28.
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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 7, 2025
Forecast Valid:
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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