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

57°F

14°C

Humidity 94%
Wind Speed N 12 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Nov 2:15 pm CST
Extended Forecast for

3 Miles SSE Portland TN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. North northwest wind around 5 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. Calm wind becoming northwest around 5 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Calm wind becoming east around 5 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 65. South southeast wind around 5 mph.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers, mainly after midnight. Low around 55. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers, mainly before noon. High near 68. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming west northwest after midnight.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. North northwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 42. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 62. Calm wind becoming northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 41. Calm wind becoming east around 5 mph.
Monday
Partly sunny, with a high near 65. South southeast wind around 5 mph.
Monday Night
Showers, mainly after midnight. Low around 55. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
Showers, mainly before noon. High near 68. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming west northwest after midnight.
Wednesday
Mostly sunny, with a high near 53. West northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 28.
Thanksgiving Day
Sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
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:
11:31 am CST Nov 22, 2025
Forecast Valid:
2pm CST Nov 22, 2025-6pm CST Nov 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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