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

46°F

8°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.23 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 12:55 am CDT
Extended Forecast for

3 Miles WNW Cottontown TN

  • Overnight

    Overnight: Mostly clear, with a low around 42. West wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. East wind around 5 mph becoming north northwest in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West southwest wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. South wind around 10 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 42. West wind around 5 mph.
Monday
Sunny, with a high near 68. East wind around 5 mph becoming north northwest in the afternoon.
Monday Night
Mostly clear, with a low around 47. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 78. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 54. West southwest wind around 5 mph.
Thursday
Sunny, with a high near 81. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 61. South wind around 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Cottontown TN
 36.5°N 86.65°W (Elev. 801 ft)
Last Update:
10:46 pm CDT Apr 19, 2026
Forecast Valid:
1am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation