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 5.6° 4.8°
Average change in low temperature day-to-day 6.3° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 42% 59%
Chance of precip day after a dry day 29% 16%
 
 

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   67.90%
Weather Underground   65.99%
The Weather Channel   65.36%
Dark Sky (forecast.io)   63.42%
AccuWeather   62.21%
MeteoGroup   59.33%
World Weather Online   55.82%
NWS Digital Forecast   51.78%
Persistence   43.91%
Last Year
Foreca   75.30%
AccuWeather   75.27%
The Weather Channel   72.94%
Weather Underground   72.75%
MeteoGroup   72.67%
Dark Sky (forecast.io)   68.15%
NWS Digital Forecast   67.11%
World Weather Online   64.10%
Persistence   50.86%
 

ForecastAdvisor Fact

12.8% of Dark Sky (forecast.io)'s low temperature forecasts for Hermiston were off by more than 10 degrees last month.