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

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 17 Oct 11:55 pm CDT
Extended Forecast for

5 Miles E Portland TN

  • Overnight

    Overnight: Clear, with a low around 37. East northeast wind around 5 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 69. East northeast wind around 5 mph becoming calm in the afternoon.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy fog before 8am. Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.

    High: 72 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North northeast wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light northeast wind increasing to 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. North northeast wind around 5 mph becoming calm after midnight.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. North northeast wind around 5 mph becoming calm.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 37. East northeast wind around 5 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 69. East northeast wind around 5 mph becoming calm in the afternoon.
Sunday Night
Patchy frost after 3am. Otherwise, clear, with a low around 41. Calm wind.
Monday
Patchy fog before 8am. Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. North northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 74. Light northeast wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. North northeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 76. Calm wind becoming north northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 43. North northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 76.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 78.
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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:
10:31 pm CDT Oct 17, 2026
Forecast Valid:
12am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
Forecast Discussion
 
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