5-day weather forecast for Harper, Oregon

Weather changeability for Ontario, Oregon

Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.

Weather forecast accuracy for Ontario, Oregon

Last Month
AccuWeather   73.06%
MeteoGroup   72.22%
The Weather Channel   70.00%
Weather Underground   70.00%
NWS Digital Forecast   69.44%
Foreca   67.22%
Dark Sky (forecast.io)   66.94%
Last Year
The Weather Channel   73.93%
WeatherBug   73.38%
Weather Underground   73.16%
MeteoGroup   72.67%
AccuWeather   72.66%
Foreca   72.49%
NWS Digital Forecast   69.74%
CustomWeather   69.61%
Persistence   54.22%
 

ForecastAdvisor Fact

1.1% of Foreca's high temperature forecasts for Ontario were off by more than 10 degrees last month.