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.

Overcast

66°F

19°C

Humidity 100%
Wind Speed N 8 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Jun 9:35 pm CDT
Extended Forecast for

5 Miles E Portland TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. North northwest wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 81. North wind 5 to 10 mph.

    High: 81 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. North wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming east southeast around 5 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. North northwest wind around 5 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 81. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 85. Calm wind becoming east southeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 68. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Portland TN
 36.58°N 86.42°W (Elev. 801 ft)
Last Update:
6:26 pm CDT Jun 22, 2026
Forecast Valid:
10pm CDT Jun 22, 2026-6pm CDT Jun 29, 2026
 
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