Current conditions at

Portland Municipal Airport (K1M5)

Lat: 36.59°NLon: 86.48°WElev: 818ft.

Fair

68°F

20°C

Humidity 83%
Wind Speed W 9 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 18 Apr 3:55 pm CDT
Extended Forecast for

3 Miles SSE Portland TN

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  High near 76. North northwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 7pm, then a chance of showers between 7pm and 11pm.  Low around 40. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. West northwest wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West southwest wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Northeast wind around 5 mph becoming north northwest in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

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

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 76. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 7pm, then a chance of showers between 7pm and 11pm. Low around 40. North northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 64. West northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 43. West southwest wind around 5 mph.
Monday
Sunny, with a high near 66. Northeast wind around 5 mph becoming north northwest in the afternoon.
Monday Night
Clear, with a low around 45. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 54. 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 57.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portland TN
 36.56°N 86.5°W (Elev. 801 ft)
1:31 pm CDT Apr 18, 2026
4pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

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