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 6.2° 4.4°
Average change in low temperature day-to-day 9.7° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 83% 67%
Chance of precip day after a dry day 21% 14%
 
 

Weather forecast accuracy for Hermiston, Oregon

Last Month
MeteoGroup   69.44%
The Weather Channel   66.07%
Weather Underground   64.44%
AccuWeather   63.33%
WeatherBug   62.20%
Foreca   61.39%
Dark Sky (forecast.io)   57.22%
National Weather Service   56.67%
CustomWeather   55.83%
Persistence   41.39%
Last Year
MeteoGroup   74.17%
AccuWeather   71.24%
The Weather Channel   71.20%
Foreca   69.71%
CustomWeather   68.47%
WeatherBug   68.27%
Weather Underground   67.71%
National Weather Service   65.71%
Persistence   55.55%
 

ForecastAdvisor Fact

On average, CustomWeather's high temperature forecasts for Hermiston were off by 4.80 degrees last month.