5-day weather forecast for Ontario, Oregon

Weather changeability for Ontario, Oregon

Temperature Last Month Last Year
Average change in high temperature day-to-day 3.9° 4.3°
Average change in low temperature day-to-day 6.5° 5.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 54%
Chance of precip day after a dry day 12% 13%

Weather forecast accuracy for Ontario, Oregon

Last Month
AccuWeather   88.01%
The Weather Channel   83.80%
Weather Underground   83.80%
NWS Digital Forecast   83.49%
Dark Sky   82.94%
Foreca   79.01%
World Weather Online   58.72%
Persistence   47.41%
Last Year
The Weather Channel   81.31%
AccuWeather   79.19%
Weather Underground   78.60%
MeteoGroup   78.50%
Foreca   78.29%
NWS Digital Forecast   76.63%
Dark Sky   75.38%
World Weather Online   66.69%
Persistence   53.08%

ForecastAdvisor Fact

1.5% of Weather Underground's low temperature forecasts for Ontario were off by more than 10 degrees last year.