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 3.6° 4.8°
Average change in low temperature day-to-day 6.5° 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 3% 16%

Weather forecast accuracy for Hermiston, Oregon

Last Month
Foreca   86.02%
AccuWeather   83.06%
MeteoGroup   79.30%
The Weather Channel   77.69%
Weather Underground   77.69%
NWS Digital Forecast   74.73%
Dark Sky (forecast.io)   72.85%
World Weather Online   69.35%
Persistence   65.59%
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

6.1% of Weather Underground's low temperature forecasts for Hermiston were exactly right last year.