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

28°F

-2°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.03 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 5 Feb 6:15 pm CST
Extended Forecast for

3 Miles SSE Portland TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 33. North northeast wind 5 to 10 mph.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Northeast wind around 5 mph becoming east southeast after midnight.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. East southeast wind around 5 mph becoming south southwest in the morning.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. South southeast wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58. South wind around 5 mph becoming west southwest in the afternoon.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind becoming south around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Calm wind becoming south southwest around 5 mph in the evening.
Friday
Partly sunny, with a high near 49. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 25. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 33. North northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 21. Northeast wind around 5 mph becoming east southeast after midnight.
Sunday
Partly sunny, with a high near 48. East southeast wind around 5 mph becoming south southwest in the morning.
Sunday Night
Partly cloudy, with a low around 32. South southeast wind around 5 mph.
Monday
Sunny, with a high near 58. South wind around 5 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 40. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of showers. Cloudy, with a high near 61.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 44.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 55.
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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:
2:16 pm CST Feb 5, 2026
Forecast Valid:
6pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation