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.

Fog/Mist

73°F

23°C

Humidity 94%
Wind Speed SW 14 G 29 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 2.50 mi
Last update 16 Jun 8:15 pm CDT
Extended Forecast for

5 Miles E Portland TN

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South southwest wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind around 10 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71. South southwest wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind around 10 mph. Chance of precipitation is 60%.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Portland TN
 36.58°N 86.42°W (Elev. 801 ft)
Last Update:
6:32 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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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