5-day weather forecast for Portland, Oregon

Today




42°
51°
Rain

Tomorrow




44°
54°
Rain Showers
Likely

Tuesday




45°
55°
Rain
 
Click on a forecast to see the forecast trend for that day

Weather changeability for Portland, Oregon

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.0° 4.9°
Average change in low temperature day-to-day 4.0° 4.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 17% 27%
Chance of precip day after a dry day 50% 24%
 
 

Weather forecast accuracy for Portland, Oregon

Last Month
The Weather Channel   82.05%
Foreca   81.73%
Weather Underground   80.77%
AccuWeather   78.85%
MeteoGroup   75.64%
Dark Sky (forecast.io)   75.32%
NWS Digital Forecast   71.84%
World Weather Online   66.67%
Persistence   53.21%
Last Year
The Weather Channel   80.31%
AccuWeather   80.26%
Weather Underground   80.14%
Foreca   79.46%
Dark Sky (forecast.io)   76.43%
NWS Digital Forecast   75.76%
MeteoGroup   70.32%
World Weather Online   65.36%
Persistence   52.72%
 

ForecastAdvisor Fact

On average, NWS Digital Forecast's high temperature forecasts for Portland were off by 2.84 degrees last month.