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

High: 76 °F
Showers
Tonight
Low: 40 °F
Showers then
Mostly CloudySunday

High: 64 °F
Sunny
Sunday Night

Low: 43 °F
Mostly Clear
Monday

High: 66 °F
Sunny
Monday Night

Low: 45 °F
Clear
Tuesday

High: 77 °F
Sunny
Tuesday Night

Low: 54 °F
Partly Cloudy
Wednesday

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Portland TN
36.56°N 86.5°W (Elev. 801 ft)
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


