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

82°F

28°C

Humidity 45%
Wind Speed SE 8 mph
Barometer 30.11 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Oct 4:15 pm CDT
Extended Forecast for

2 Miles ENE Portland TN

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 1am. Cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 78. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am. Cloudy, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Northeast wind around 10 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. North northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
Showers likely, with thunderstorms also possible after 1am. Cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 78. South wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.
Wednesday
A slight chance of thunderstorms before 7am. Cloudy, with a high near 75. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 50. Northeast wind around 10 mph.
Thursday
Sunny, with a high near 74. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 53. North northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Portland TN
 36.6°N 86.47°W (Elev. 692 ft)
Last Update:
1:56 pm CDT Oct 5, 2025
Forecast Valid:
4pm CDT Oct 5, 2025-6pm CDT Oct 12, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation