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 4.6° 4.8°
Average change in low temperature day-to-day 5.6° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 45% 59%
Chance of precip day after a dry day 73% 16%

Weather forecast accuracy for Hermiston, Oregon

Last Month
AccuWeather   81.18%
Weather Underground   79.03%
The Weather Channel   78.76%
MeteoGroup   77.42%
Foreca   77.15%
NWS Digital Forecast   72.83%
Dark Sky (forecast.io)   72.58%
World Weather Online   67.74%
Persistence   42.47%
Last Year
Foreca   75.30%
AccuWeather   75.27%
The Weather Channel   72.94%
Weather Underground   72.75%
MeteoGroup   72.67%
Dark Sky (forecast.io)   68.15%
NWS Digital Forecast   67.11%
World Weather Online   64.10%
Persistence   50.86%

ForecastAdvisor Fact

80.6% of MeteoGroup's high temperature forecasts for Hermiston were within 3 degrees of actual temperatures last month.