5-day weather forecast for Cedarpines Park, California

Weather changeability for Ontario, California

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

Weather forecast accuracy for Ontario, California

Last Month
CustomWeather   83.05%
NWS Digital Forecast   82.18%
The Weather Channel   81.61%
Intellicast   81.61%
AccuWeather   81.03%
National Weather Service   80.17%
Weather Underground   79.60%
Persistence   71.34%
World Weather Online   63.79%
Last Year
The Weather Channel   82.60%
Intellicast   82.58%
National Weather Service   81.54%
AccuWeather   80.41%
NWS Digital Forecast   79.58%
CustomWeather   76.22%
Persistence   64.36%
 

ForecastAdvisor Fact

On average, AccuWeather's low temperature forecasts for Ontario were off by 3.06 degrees last year.