5-day weather forecast for Harper, Oregon

Weather changeability for Ontario, Oregon

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.7° 4.3°
Average change in low temperature day-to-day 7.1° 6.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 64%
Chance of precip day after a dry day 25% 13%
 
 

Weather forecast accuracy for Ontario, Oregon

Last Month
MeteoGroup   77.78%
Foreca   77.37%
AccuWeather   75.28%
The Weather Channel   74.44%
Weather Underground   74.44%
Dark Sky (forecast.io)   71.94%
NWS Digital Forecast   66.05%
World Weather Online   53.61%
Persistence   38.06%
Last Year
Foreca   77.31%
The Weather Channel   77.06%
Weather Underground   77.00%
AccuWeather   75.91%
MeteoGroup   75.54%
Dark Sky (forecast.io)   70.70%
NWS Digital Forecast   70.68%
World Weather Online   68.41%
Persistence   53.96%
 

ForecastAdvisor Fact

28.5% of Persistence's low temperature forecasts for Ontario were off by more than 10 degrees last year.