5-day weather forecast for Umatilla, Oregon

Weather changeability for Hermiston, Oregon

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.2° 4.6°
Average change in low temperature day-to-day 6.9° 6.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 45% 61%
Chance of precip day after a dry day 21% 15%
 
 

Weather forecast accuracy for Hermiston, Oregon

Last Month
AccuWeather   76.61%
The Weather Channel   76.08%
Weather Underground   75.81%
MeteoGroup   75.81%
Dark Sky (forecast.io)   73.39%
Foreca   72.85%
NWS Digital Forecast   60.48%
World Weather Online   56.39%
Persistence   51.69%
Last Year
MeteoGroup   75.03%
AccuWeather   75.00%
Foreca   72.86%
The Weather Channel   72.67%
Weather Underground   72.39%
NWS Digital Forecast   67.05%
Dark Sky (forecast.io)   66.82%
World Weather Online   65.05%
Persistence   53.69%
 

ForecastAdvisor Fact

43.0% of NWS Digital Forecast's low temperature forecasts for Hermiston were within 3 degrees of actual temperatures last month.