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
|The Weather Channel||74.72%|
|Dark Sky (forecast.io)||70.69%|
|NWS Digital Forecast||69.94%|
|World Weather Online||69.54%|
|The Weather Channel||74.86%|
|NWS Digital Forecast||66.30%|
|Dark Sky (forecast.io)||65.35%|
|World Weather Online||60.59%|
56.9% of NWS Digital Forecast's low temperature forecasts for Portland were within 3 degrees of actual temperatures last year.