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 5.1° 4.4°
Average change in low temperature day-to-day 8.1° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 42% 67%
Chance of precip day after a dry day 38% 14%
 
 

Weather forecast accuracy for Hermiston, Oregon

Last Month
AccuWeather   63.14%
The Weather Channel   60.58%
MeteoGroup   60.26%
Weather Underground   60.26%
CustomWeather   58.33%
Foreca   58.33%
National Weather Service   57.69%
Dark Sky (forecast.io)   57.37%
WeatherBug   56.41%
Persistence   36.29%
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, Weather Underground's high temperature forecasts for Hermiston were off by 3.65 degrees last month.