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 4.9° 4.8°
Average change in low temperature day-to-day 10.2° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 59%
Chance of precip day after a dry day 14% 16%

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   62.04%
AccuWeather   61.73%
MeteoGroup   61.73%
The Weather Channel   60.19%
Weather Underground   57.72%
World Weather Online   51.85%
Dark Sky (forecast.io)   51.85%
NWS Digital Forecast   49.69%
Persistence   46.67%
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

48.1% of NWS Digital Forecast's high temperature forecasts for Hermiston were within 3 degrees of actual temperatures last month.