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 4.4° 4.6°
Average change in low temperature day-to-day 6.0° 6.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 61%
Chance of precip day after a dry day 7% 15%

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   83.60%
Weather Underground   82.53%
MeteoGroup   82.26%
AccuWeather   81.72%
The Weather Channel   81.72%
Dark Sky (forecast.io)   79.30%
NWS Digital Forecast   74.19%
World Weather Online   71.51%
Persistence   60.75%
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

10.8% of NWS Digital Forecast's high temperature forecasts for Hermiston were exactly right last month.