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.

Mostly Cloudy

75°F

24°C

Humidity 89%
Wind Speed NW 6 G 12 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 7 Oct 3:15 pm CDT
Extended Forecast for

4 Miles SW Portland TN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 77. West wind around 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 61. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Northeast wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48. Northeast wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 77. West wind around 15 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 61. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 72. North northeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 47. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 70. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 47. Northeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 48. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 75. Calm wind becoming north northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 50.
Columbus Day
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Portland TN
 36.54°N 86.56°W (Elev. 804 ft)
Last Update:
2:16 pm CDT Oct 7, 2025
Forecast Valid:
3pm CDT Oct 7, 2025-6pm CDT Oct 13, 2025
 
Forecast Discussion
 
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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