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 6.5° 4.6°
Average change in low temperature day-to-day 6.7° 6.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 61%
Chance of precip day after a dry day 13% 15%

Weather forecast accuracy for Hermiston, Oregon

Last Month
MeteoGroup   78.27%
Foreca   76.79%
AccuWeather   75.00%
Weather Underground   72.11%
Dark Sky (forecast.io)   71.73%
The Weather Channel   71.43%
NWS Digital Forecast   71.13%
World Weather Online   66.67%
Persistence   48.87%
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

56.3% of MeteoGroup's low temperature forecasts for Hermiston were within 3 degrees of actual temperatures last year.