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.

Fair

50°F

10°C

Humidity 76%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Nov 6:55 pm CST
Extended Forecast for

2 Miles S Portland TN

  • Tonight

    Tonight: Patchy fog between 8pm and 1am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 67. Calm wind becoming west southwest around 5 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 10pm and 4am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 67. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers, mainly before midnight. Low around 48. South southwest wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 80%.

    Low: 48 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Partly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 8pm and 1am. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 67. Calm wind becoming west southwest around 5 mph.
Tuesday Night
Patchy fog between 10pm and 4am. Otherwise, mostly clear, with a low around 42. Calm wind.
Veterans Day
Mostly sunny, with a high near 67. Light south wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Showers, mainly before midnight. Low around 48. South southwest wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers before noon. Partly sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 34. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 28.
Sunday
A 20 percent chance of showers. Sunny, with a high near 55.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Portland TN
 36.56°N 86.5°W (Elev. 801 ft)
Last Update:
1:16 pm CST Nov 9, 2026
Forecast Valid:
7pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation