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 3.9° 4.4°
Average change in low temperature day-to-day 5.7° 6.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 25% 50%
Chance of precip day after a dry day 31% 12%

Weather forecast accuracy for Ontario, Oregon

Last Month
Dark Sky (forecast.io)   67.82%
NWS Digital Forecast   66.28%
AccuWeather   64.37%
The Weather Channel   62.36%
Weather Underground   61.78%
Foreca   59.48%
MeteoGroup   56.32%
Persistence   50.29%
World Weather Online   49.11%
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.