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

66°F

19°C

Humidity 43%
Wind Speed SW 9 mph
Barometer 30.18 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Nov 10:35 am CST
Extended Forecast for

4 Miles SSE 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 53. South southwest wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °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 64. North northwest wind 5 to 10 mph.

    High: 64 °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. Calm wind becoming east southeast around 5 mph in the morning.

    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 65. South wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 65 °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 53. South southwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 74. 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 64. 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. Calm wind becoming east southeast around 5 mph in the morning.
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 65. South wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
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 49.
Thursday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Portland TN
 36.54°N 86.51°W (Elev. 801 ft)
Last Update:
5:01 am CST Nov 14, 2025
Forecast Valid:
10am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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