Current conditions at
Portland Municipal Airport (K1M5)
Lat: 36.59°NLon: 86.48°WElev: 818ft.
Mostly Cloudy
68°F
20°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.01 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 1:15 am CDT |
Extended Forecast for
Portland TN
Overnight
Low: 65 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 91 °F
Sunny
Monday Night
Low: 72 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 86. North northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph.
Saturday
Sunny, with a high near 88. Calm wind becoming east northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 67. Calm wind becoming south southeast around 5 mph.
Sunday
Sunny, with a high near 91. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 91. South southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 72. Calm wind becoming south around 5 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portland TN
36.58°N 86.53°W (Elev. 810 ft)
36.58°N 86.53°W (Elev. 810 ft)
6:16 pm CDT Aug 27, 2026
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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