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

43°F

6°C

Humidity 87%
Wind Speed S 8 mph
Barometer 30.18 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Nov 4:15 am CST
Extended Forecast for

3 Miles W Portland TN

  • Today

    Today: Sunny, with a high near 72. South southwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. South southwest wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 8pm. Mostly cloudy, with a low around 55. Southwest wind around 10 mph becoming northwest after midnight.

    Low: 55 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 63. North northwest wind 5 to 10 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. North northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. East southeast wind around 5 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. East southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.

    Low: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Partly sunny, with a high near 64. South wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 72. South southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 54. South southwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of showers after 8pm. Mostly cloudy, with a low around 55. Southwest wind around 10 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 63. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 38. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. East southeast wind around 5 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. East southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before noon. Partly sunny, with a high near 64. South wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Portland TN
 36.58°N 86.56°W (Elev. 791 ft)
Last Update:
11:31 pm CST Nov 13, 2025
Forecast Valid:
4am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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