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

30°F

-1°C

Humidity 93%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Nov 5:35 am CST
Extended Forecast for

2 Miles ENE Portland TN

  • Today

    Today: Sunny, with a high near 61. Calm wind becoming east around 5 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers. High near 69. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind becoming east around 5 mph.
Tonight
A slight chance of showers before midnight, then a chance of showers after 1am. Mostly cloudy, with a low around 46. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. Southwest wind around 5 mph becoming northwest in the afternoon.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 70%.
Friday
Showers. High near 69. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 65.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Portland TN
 36.6°N 86.47°W (Elev. 692 ft)
Last Update:
5:01 am CST Nov 17, 2025
Forecast Valid:
5am CST Nov 17, 2025-6pm CST Nov 23, 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