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 5.3° 4.6°
Average change in low temperature day-to-day 3.3° 4.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 30%
Chance of precip day after a dry day 9% 24%
 
 

Weather forecast accuracy for Portland, Oregon

Last Month
The Weather Channel   89.88%
Weather Underground   89.29%
AccuWeather   87.20%
NWS Digital Forecast   86.31%
MeteoGroup   85.42%
Dark Sky   83.93%
Foreca   82.14%
World Weather Online   73.51%
Persistence   60.56%
Last Year
AccuWeather   82.96%
Foreca   82.54%
The Weather Channel   82.21%
Weather Underground   81.87%
NWS Digital Forecast   79.91%
MeteoGroup   79.59%
Dark Sky   72.62%
World Weather Online   66.95%
Persistence   54.35%
 

ForecastAdvisor Fact

78.6% of MeteoGroup's high temperature forecasts for Portland were within 3 degrees of actual temperatures last month.