5-day weather forecast for Portland, Maine

Weather changeability for Portland, Maine

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.0° 6.5°
Average change in low temperature day-to-day 4.1° 7.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 88% 69%
Chance of precip day after a dry day 35% 33%
 
 

Weather forecast accuracy for Portland, Maine

Last Month
MeteoGroup   77.42%
The Weather Channel   76.61%
Weather Underground   76.11%
Foreca   75.22%
AccuWeather   74.73%
Dark Sky (forecast.io)   68.01%
NWS Digital Forecast   65.87%
World Weather Online   58.06%
Persistence   47.85%
Last Year
Weather Underground   74.90%
The Weather Channel   74.86%
AccuWeather   73.47%
MeteoGroup   71.90%
Foreca   71.03%
NWS Digital Forecast   66.30%
Dark Sky (forecast.io)   65.35%
World Weather Online   60.59%
Persistence   41.61%
 

ForecastAdvisor Fact

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