5-day weather forecast for Ontario, California

Weather changeability for Ontario, California

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.2° 4.5°
Average change in low temperature day-to-day 4.8° 3.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 56% 55%
Chance of precip day after a dry day 26% 7%

Weather forecast accuracy for Ontario, California

Last Month
Weather Underground   87.65%
The Weather Channel   87.35%
AccuWeather   84.57%
Foreca   81.79%
MeteoGroup   77.47%
Dark Sky (forecast.io)   75.93%
NWS Digital Forecast   73.08%
World Weather Online   69.44%
Persistence   43.45%
Last Year
MeteoGroup   85.19%
The Weather Channel   85.06%
Weather Underground   84.92%
AccuWeather   84.73%
Foreca   83.97%
NWS Digital Forecast   78.03%
Dark Sky (forecast.io)   77.29%
World Weather Online   73.11%
Persistence   64.18%

ForecastAdvisor Fact

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