National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Last update 19 Apr 6:35 am CDT
Extended Forecast for

3 Miles SSE Portland TN

Dense Fog Advisory April 19, 06:53am until April 19, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory April 19, 06:53am until April 19, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. West northwest wind around 5 mph becoming north after midnight.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Northeast wind around 5 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. West southwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind around 5 mph becoming south after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 64. Light north northwest wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 43. West northwest wind around 5 mph becoming north after midnight.
Monday
Sunny, with a high near 66. Northeast wind around 5 mph.
Monday Night
Clear, with a low around 46. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 77. South wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 79. West southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind around 5 mph becoming south after midnight.
Thursday
Sunny, with a high near 82. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portland TN
 36.56°N 86.5°W (Elev. 801 ft)
Last Update:
5:41 am CDT Apr 19, 2026
Forecast Valid:
6am CDT Apr 19, 2026-6pm CDT Apr 25, 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