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

37°F

3°C

Humidity 75%
Wind Speed S 10 mph
Barometer 30.10 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 3 Feb 7:35 am CST
Extended Forecast for

3 Miles SSE Portland TN

  • Today

    Today: Showers, mainly after 2pm. High near 44. South wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 8pm. Cloudy, with a low around 29. North wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance
    Showers then
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 34. North wind around 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16. North wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. North wind around 5 mph becoming calm in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Light west southwest wind becoming south southwest 5 to 10 mph in the evening.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Northwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. North wind around 5 mph.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after 2pm. High near 44. South wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 50 percent chance of showers, mainly before 8pm. Cloudy, with a low around 29. North wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy, with a high near 34. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 16. North wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 33. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. Light west southwest wind becoming south southwest 5 to 10 mph in the evening.
Friday
Mostly sunny, with a high near 52. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 29. Northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 45. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 47.
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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:
4:56 am CST Feb 3, 2026
Forecast Valid:
7am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
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