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 3.7° 4.4°
Average change in low temperature day-to-day 5.8° 6.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 71% 50%
Chance of precip day after a dry day 21% 12%

Weather forecast accuracy for Ontario, Oregon

Last Month
Weather Underground   76.34%
The Weather Channel   75.81%
MeteoGroup   74.46%
Foreca   70.97%
Dark Sky (forecast.io)   69.09%
AccuWeather   69.09%
World Weather Online   67.78%
NWS Digital Forecast   65.83%
Persistence   48.12%
Last Year
The Weather Channel   74.55%
Weather Underground   74.30%
AccuWeather   73.92%
NWS Digital Forecast   71.23%
MeteoGroup   70.77%
Foreca   70.07%
Dark Sky (forecast.io)   69.79%
World Weather Online   64.43%
Persistence   56.08%

ForecastAdvisor Fact

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