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.

Partly Cloudy

70°F

21°C

Humidity 100%
Wind Speed S 12 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Jun 12:55 am CDT
Extended Forecast for

4 Miles E Portland TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms. High near 80. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms, mainly before 10pm. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 83. West wind around 5 mph.

    High: 83 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind becoming south southwest around 5 mph.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph.
Saturday
Showers and thunderstorms. High near 80. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms, mainly before 10pm. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 83. West wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind becoming south southwest around 5 mph.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 83. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Juneteenth
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Portland TN
 36.58°N 86.45°W (Elev. 801 ft)
Last Update:
11:14 pm CDT Jun 13, 2025
Forecast Valid:
1am CDT Jun 14, 2025-6pm CDT Jun 20, 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