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 4.5° 4.5°
Average change in low temperature day-to-day 6.1° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 60% 55%
Chance of precip day after a dry day 12% 17%

Weather forecast accuracy for Hermiston, Oregon

Last Month
MeteoGroup   76.67%
The Weather Channel   75.83%
Weather Underground   75.56%
Foreca   73.89%
AccuWeather   71.39%
Dark Sky (forecast.io)   68.06%
NWS Digital Forecast   63.65%
Persistence   56.94%
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%
NWS Digital Forecast   64.98%
Persistence   49.65%

ForecastAdvisor Fact

4.6% of The Weather Channel's low temperature forecasts for Hermiston were exactly right last year.