South Portland, ME Weather Forecast
Cumberland County, Maine
Live radar, warnings and storm tracking for South Portland, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for South Portland
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
South Portland, ME at a glance
South Portland is home to about 26,840 people in Cumberland County, across 12 square miles. It ranks 4th by population of 143 places in Maine with a forecast here. The nearest neighbour with its own forecast is Scarborough, 5 miles away.
- County
- Cumberland County
- Population
- 26,840 2023 est.
- Land area
- 12 sq mi
- People per sq mi
- 2,228
- Forecast point
- 43.6314°N, 70.2860°W
How well can the network see South Portland?
The nearest Doppler radar is KGYX (Portland, ME), to the N. Its lowest scan passes about 990 ft above South Portland. That is about as close as US radar coverage gets: low-level rotation and gust fronts over South Portland show up clearly. South Portland is closer to its radar than 87% of US cities.
The closest weather station is KPWM (Portland Intl). Close enough that its readings are the conditions in town.
Forecasts near South Portland
- Scarborough, ME5 mi
- Portland, ME5 mi
- Cape Elizabeth, ME6 mi
- Westbrook, ME6 mi
- Falmouth, ME8 mi
- Old Orchard Beach, ME8 mi
- Saco, ME10 mi
- Gorham, ME10 mi
Elsewhere in Maine
PortlandLewistonBangorAuburnScarboroughBrunswickAll Maine forecasts →