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

57°F

14°C

Humidity 94%
Wind Speed S 14 G 28 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Nov 5:55 am CST
Extended Forecast for

4 Miles SSW Portland TN

  • Today

    Today: Showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm. High near 67. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West northwest wind 5 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 44. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. West northwest wind around 5 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41. Northwest wind around 5 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 47. South southeast wind 5 to 10 mph.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm. High near 67. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly cloudy, with a low around 42. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 31. West northwest wind 5 to 10 mph.
Thanksgiving Day
Sunny, with a high near 44. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 22. West northwest wind around 5 mph.
Friday
Sunny, with a high near 41. Northwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 27. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 47. South southeast wind 5 to 10 mph.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 37.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 49.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Portland TN
 36.54°N 86.53°W (Elev. 814 ft)
Last Update:
12:51 am CST Nov 25, 2025
Forecast Valid:
6am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation