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 5.5° 4.6°
Average change in low temperature day-to-day 8.1° 6.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 61%
Chance of precip day after a dry day 16% 15%

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   81.32%
AccuWeather   80.28%
MeteoGroup   76.39%
The Weather Channel   75.00%
Weather Underground   75.00%
NWS Digital Forecast   70.56%
Dark Sky (forecast.io)   69.44%
World Weather Online   67.50%
Persistence   48.33%
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

4.4% of MeteoGroup's low temperature forecasts for Hermiston were exactly right last month.