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 3.2° 4.4°
Average change in low temperature day-to-day 6.5° 6.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 50%
Chance of precip day after a dry day 21% 12%

Weather forecast accuracy for Ontario, Oregon

Last Month
AccuWeather   76.39%
Foreca   74.17%
Dark Sky (forecast.io)   72.78%
The Weather Channel   70.28%
Weather Underground   70.00%
MeteoGroup   66.39%
World Weather Online   65.00%
NWS Digital Forecast   64.44%
Persistence   57.50%
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

7.8% of The Weather Channel's high temperature forecasts for Ontario were exactly right last month.