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.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed NW 6 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Jun 2:55 pm CDT
Extended Forecast for

4 Miles SSW Portland TN

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 83. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Low around 71. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 71 °F

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. South southwest wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. West southwest wind around 10 mph. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. Calm wind.
Monday
A slight chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 83. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Low around 71. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 72. South southwest wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 86. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind around 10 mph.
Juneteenth
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. West southwest wind around 10 mph. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Portland TN
 36.54°N 86.53°W (Elev. 814 ft)
Last Update:
11:16 am CDT Jun 15, 2025
Forecast Valid:
3pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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