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 4.7° 4.6°
Average change in low temperature day-to-day 5.3° 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 3% 15%

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   87.63%
AccuWeather   85.22%
The Weather Channel   84.14%
Weather Underground   84.14%
MeteoGroup   81.18%
World Weather Online   76.34%
Dark Sky (forecast.io)   73.12%
NWS Digital Forecast   72.85%
Persistence   61.56%
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

On average, Dark Sky (forecast.io)'s high temperature forecasts for Hermiston were off by 2.24 degrees last month.