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.

A Few Clouds

48°F

9°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.18 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 6 Nov 1:15 am CST
Extended Forecast for

3 Miles SSE Portland TN

  • Overnight

    Overnight: Mostly clear, with a low around 43. Northeast wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. East wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 51. East southeast wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 70. Calm wind becoming south southwest around 5 mph in the morning.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 42. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 66. East wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 51. East southeast wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 70. Calm wind becoming south southwest around 5 mph in the morning.
Saturday Night
A 50 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 42. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 23.
Veterans Day
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 61.
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 pm CST Nov 5, 2025
Forecast Valid:
1am CST Nov 6, 2025-6pm CST Nov 12, 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