Current conditions at
Portland Municipal Airport (K1M5)
Lat: 36.59°NLon: 86.48°WElev: 818ft.
Partly Cloudy
90°F
32°C
| Humidity | 55% |
| Wind Speed | W 7 G 14 mph |
| Barometer | 30.04 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 14 Oct 1:15 pm CDT |
Extended Forecast for
Portland TN
This Afternoon

High: 88 °F
Chance
T-stormsTonight
Low: 69 °F
Chance
T-storms and
Patchy Fog
then Slight
Chance
T-stormsThursday

High: 90 °F
Mostly Sunny
Thursday Night

Low: 63 °F
Mostly Clear
Friday

High: 69 °F
Partly Sunny
Friday Night

Low: 44 °F
Partly Cloudy
Saturday

High: 60 °F
Mostly Sunny
Saturday Night

Low: 38 °F
Clear
Sunday

High: 66 °F
Sunny
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Patchy fog between 8pm and 10pm. Otherwise, mostly cloudy, with a low around 69. Calm wind becoming south around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 63. South southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 69. West southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 44. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 60. North wind around 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 38. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 66. Southeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portland TN
36.58°N 86.53°W (Elev. 810 ft)
36.58°N 86.53°W (Elev. 810 ft)
1:31 pm CDT Oct 14, 2026
1pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026


