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.

Partly Cloudy

30°F

-1°C

Humidity 59%
Wind Speed SE 5 mph
Barometer 30.37 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Nov 10:55 pm CST
Extended Forecast for

5 Miles E Portland TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 48. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between midnight and 5am. Cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of rain showers, mixing with snow after 9am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. North northeast wind around 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Partly sunny, with a high near 43. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 43 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Showers, mainly after midnight. Low around 32. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 32 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow showers, mainly before noon. Mostly cloudy, with a high near 38. North northwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 38 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 48. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely, mainly between midnight and 5am. Cloudy, with a low around 33. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain showers, mixing with snow after 9am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 23. North northeast wind around 5 mph.
Monday
A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Partly sunny, with a high near 43. East wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Showers, mainly after midnight. Low around 32. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 90%.
Tuesday
Rain likely, possibly mixed with snow showers, mainly before noon. Mostly cloudy, with a high near 38. North northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 24. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Portland TN
 36.58°N 86.42°W (Elev. 801 ft)
Last Update:
9:46 pm CST Nov 28, 2025
Forecast Valid:
11pm CST Nov 28, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation