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° 4.5°
Average change in low temperature day-to-day 8.1° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 42% 55%
Chance of precip day after a dry day 38% 17%
 
 

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   73.90%
AccuWeather   72.20%
Weather Underground   72.00%
The Weather Channel   71.21%
Foreca   71.01%
WeatherBug   68.05%
CustomWeather   67.17%
National Weather Service   66.69%
Persistence   49.65%
 

ForecastAdvisor Fact

7.7% of CustomWeather's low temperature forecasts for Hermiston were off by more than 10 degrees last month.