5-day weather forecast for Portland, Maine

Weather changeability for Portland, Maine

Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.

Weather forecast accuracy for Portland, Maine

Last Month
Weather Underground   77.78%
The Weather Channel   77.50%
Foreca   75.28%
AccuWeather   74.72%
NWS Digital Forecast   71.84%
MeteoGroup   70.28%
Dark Sky (forecast.io)   61.94%
Last Year
Weather Underground   75.59%
The Weather Channel   75.57%
MeteoGroup   74.60%
Foreca   73.03%
AccuWeather   70.89%
WeatherBug   70.62%
NWS Digital Forecast   67.06%
CustomWeather   66.95%
Persistence   41.58%
 

ForecastAdvisor Fact

9.2% of NWS Digital Forecast's low temperature forecasts for Portland were exactly right last month.