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Current conditions at
Portland Municipal Airport (K1M5)
Lat: 36.59°NLon: 86.48°WElev: 818ft.
Partly Cloudy
84°F
29°C
| Humidity | 58% |
| Wind Speed | S 12 mph |
| Barometer | 29.84 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 21 Jun 6:55 pm CDT |
Extended Forecast for
Portland TN
Tonight
Low: 72 °F
Chance
T-storms then
Showers
LikelyMonday
High: 81 °F
Showers
Monday Night
Low: 63 °F
Chance
Showers then
Mostly CloudyTuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
then Patchy
FogWednesday
High: 85 °F
Sunny
Wednesday Night
Low: 68 °F
Slight Chance
T-stormsThursday
High: 87 °F
Chance
T-stormsThursday Night
Low: 69 °F
Chance
T-storms
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 72. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 63. Northwest wind 5 to 10 mph becoming light north in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 81. North wind around 5 mph.
Tuesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 85. Calm wind becoming east around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portland TN
36.58°N 86.5°W (Elev. 833 ft)
36.58°N 86.5°W (Elev. 833 ft)
6:26 pm CDT Jun 21, 2026
7pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
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