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

72°F

22°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 27 May 12:15 am CDT
Extended Forecast for

7 Miles E Portland TN

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northeast wind around 5 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East northeast wind around 5 mph.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. East northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 67. South wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 81. South southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northeast wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East northeast wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East northeast wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. East northeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Portland TN
 36.57°N 86.39°W (Elev. 876 ft)
Last Update:
11:16 pm CDT May 26, 2026
Forecast Valid:
12am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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