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 4.9° 4.8°
Average change in low temperature day-to-day 6.3° 5.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 29% 28%
Chance of precip day after a dry day 25% 20%

Weather forecast accuracy for Portland, Oregon

Last Month
AccuWeather   78.89%
The Weather Channel   78.33%
Weather Underground   77.78%
Foreca   75.00%
Dark Sky (forecast.io)   72.78%
MeteoGroup   71.11%
NWS Digital Forecast   67.22%
World Weather Online   60.83%
Persistence   50.83%
Last Year
AccuWeather   83.67%
The Weather Channel   83.55%
Weather Underground   83.45%
Foreca   83.04%
NWS Digital Forecast   78.02%
MeteoGroup   75.69%
Dark Sky (forecast.io)   75.05%
World Weather Online   62.42%
Persistence   54.61%

ForecastAdvisor Fact

72.2% of The Weather Channel's high temperature forecasts for Portland were within 3 degrees of actual temperatures last month.