5-day weather forecast for Portland, Oregon

Weather changeability for Portland, Oregon

Temperature Last Month Last Year
Average change in high temperature day-to-day 3.0° 4.7°
Average change in low temperature day-to-day 4.7° 4.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 29% 27%
Chance of precip day after a dry day 25% 21%

Weather forecast accuracy for Portland, Oregon

Last Month
Foreca   83.06%
AccuWeather   81.67%
The Weather Channel   78.89%
Weather Underground   78.06%
MeteoGroup   76.67%
NWS Digital Forecast   73.33%
Dark Sky (forecast.io)   70.56%
World Weather Online   65.28%
Persistence   54.17%
Last Year
The Weather Channel   82.34%
Weather Underground   82.29%
AccuWeather   81.65%
Foreca   81.63%
MeteoGroup   79.59%
NWS Digital Forecast   77.63%
Dark Sky (forecast.io)   73.04%
World Weather Online   64.46%
Persistence   56.41%

ForecastAdvisor Fact

0.1% of Foreca's low temperature forecasts for Portland were off by more than 10 degrees last year.