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

72°F

22°C

Humidity 100%
Wind Speed S 7 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 2.50 mi
Last update 26 May 9:55 am CDT
Extended Forecast for

7 Miles E Portland TN

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers after 1am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 65. West southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Northeast wind around 5 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East northeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 79. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers after 1am. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 65. West southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 10%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Northeast wind around 5 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East northeast wind around 5 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Portland TN
 36.6°N 86.39°W (Elev. 761 ft)
Last Update:
5:21 am CDT May 26, 2026
Forecast Valid:
10am CDT May 26, 2026-6pm CDT Jun 1, 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