5-day weather forecast for Harvard, Illinois

Weather changeability for Rockford, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.7° 5.6°
Average change in low temperature day-to-day 10.5° 7.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 53%
Chance of precip day after a dry day 33% 28%

Weather forecast accuracy for Rockford, Illinois

Last Month
Weather Underground   81.25%
The Weather Channel   80.36%
MeteoGroup   77.98%
Foreca   77.98%
AccuWeather   76.79%
Dark Sky (forecast.io)   71.13%
NWS Digital Forecast   68.75%
World Weather Online   60.71%
Persistence   38.35%
Last Year
The Weather Channel   77.05%
Weather Underground   76.82%
Foreca   75.84%
AccuWeather   75.64%
MeteoGroup   74.74%
Dark Sky (forecast.io)   71.05%
NWS Digital Forecast   69.79%
World Weather Online   62.73%
Persistence   42.36%

ForecastAdvisor Fact

It rained or snowed 36% of the time in Rockford last month when Persistence's text forecasts called for precipitation, and 44% of the time when they did not.