Current conditions at
Portland Municipal Airport (K1M5)
Lat: 36.59°NLon: 86.48°WElev: 818ft.
Overcast
70°F
21°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 30.02 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 24 May 12:55 am CDT |
Extended Forecast for
3 Miles SSE Portland TN
Overnight

Low: 63 °F
Chance
ShowersSunday
High: 78 °F
Showers
Likely then
T-stormsSunday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers and
Patchy FogMemorial Day

High: 77 °F
Showers
Monday Night

Low: 66 °F
Showers
Tuesday

High: 80 °F
Showers
Tuesday Night
Low: 66 °F
Chance
T-storms then
Chance
ShowersWednesday

High: 83 °F
Showers
LikelyWednesday Night

Low: 66 °F
Slight Chance
T-storms
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 63. South southeast wind around 5 mph.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after noon. High near 78. South wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, increasing clouds, with a low around 64. North northwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 77. Calm wind becoming east around 5 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 66. East wind around 5 mph. Chance of precipitation is 80%.
Tuesday
Showers, with thunderstorms also possible after 10am. High near 80. South wind around 5 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southwest wind around 5 mph. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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 am CDT May 24, 2026
1am CDT May 24, 2026-6pm CDT May 30, 2026


