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 5.1° 4.8°
Average change in low temperature day-to-day 3.9° 5.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 43% 30%
Chance of precip day after a dry day 4% 20%

Weather forecast accuracy for Portland, Oregon

Last Month
AccuWeather   88.10%
MeteoGroup   86.31%
The Weather Channel   85.42%
Weather Underground   85.42%
Dark Sky   83.33%
NWS Digital Forecast   81.55%
Foreca   80.06%
World Weather Online   64.58%
Persistence   59.72%
Last Year
AccuWeather   81.56%
The Weather Channel   80.39%
Weather Underground   79.98%
Foreca   78.94%
MeteoGroup   78.86%
NWS Digital Forecast   75.44%
Dark Sky   70.43%
World Weather Online   64.18%
Persistence   52.74%

ForecastAdvisor Fact

It rained or snowed 84% of the time in Portland last year when MeteoGroup's text forecasts called for precipitation, and 18% of the time when they did not.