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 5.3° 4.3°
Average change in low temperature day-to-day 5.2° 6.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 40% 64%
Chance of precip day after a dry day 9% 13%

Weather forecast accuracy for Ontario, Oregon

Last Month
AccuWeather   81.32%
NWS Digital Forecast   79.31%
The Weather Channel   79.31%
Weather Underground   79.02%
Foreca   77.38%
MeteoGroup   77.30%
Dark Sky (forecast.io)   66.95%
World Weather Online   60.06%
Persistence   58.33%
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

ForecastWatch.com is the largest provider of weather forecast accuracy statistics.