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 5.6° 4.4°
Average change in low temperature day-to-day 2.9° 5.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 25% 31%
Chance of precip day after a dry day 11% 21%
 
 

Weather forecast accuracy for Portland, Oregon

Last Month
NWS Digital Forecast   84.41%
The Weather Channel   83.87%
Foreca   83.87%
Weather Underground   83.33%
MeteoGroup   83.33%
AccuWeather   80.38%
Dark Sky   73.39%
World Weather Online   63.98%
Persistence   61.29%
Last Year
The Weather Channel   81.64%
Weather Underground   81.23%
AccuWeather   81.10%
Foreca   79.61%
MeteoGroup   78.60%
NWS Digital Forecast   75.24%
Dark Sky   71.56%
World Weather Online   64.70%
Persistence   54.73%
 

ForecastAdvisor Fact

17.1% of Foreca's high temperature forecasts for Portland were exactly right last year.