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° 4.5°
Average change in low temperature day-to-day 6.2° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 55%
Chance of precip day after a dry day 4% 17%

Weather forecast accuracy for Hermiston, Oregon

Last Month
MeteoGroup   85.56%
The Weather Channel   82.78%
Weather Underground   82.22%
AccuWeather   82.14%
Foreca   81.61%
NWS Digital Forecast   76.39%
Dark Sky (forecast.io)   73.06%
Persistence   57.78%
Last Year
MeteoGroup   73.90%
AccuWeather   72.20%
Weather Underground   72.00%
The Weather Channel   71.21%
Foreca   71.01%
WeatherBug   68.05%
CustomWeather   67.17%
NWS Digital Forecast   64.98%
Persistence   49.65%

ForecastAdvisor Fact

On average, MeteoGroup's high temperature forecasts for Hermiston were off by 2.45 degrees last year.