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.

Fair

70°F

21°C

Humidity 83%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jun 9:15 pm CDT
Extended Forecast for

2 Miles ENE Portland TN

  • Tonight

    Tonight: Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. South southwest wind around 5 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 70. South southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Increasing
    Clouds

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 90. Heat index values as high as 97. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. South southwest wind 5 to 10 mph.

    Low: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. West southwest wind around 5 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 88. South southwest wind around 5 mph.
Thursday Night
Increasing clouds, with a low around 70. South southwest wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 90. Heat index values as high as 97. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. South southwest wind 5 to 10 mph.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 93. West southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Portland TN
 36.6°N 86.47°W (Elev. 692 ft)
Last Update:
6:51 pm CDT Jun 24, 2026
Forecast Valid:
9pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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