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 7.8° 6.0°
Average change in low temperature day-to-day 6.8° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 45% 59%
Chance of precip day after a dry day 26% 26%
 
 

Weather forecast accuracy for Rockford, Illinois

Last Month
The Weather Channel   78.74%
Weather Underground   78.74%
AccuWeather   75.86%
MeteoGroup   73.56%
Foreca   72.99%
Dark Sky (forecast.io)   70.98%
NWS Digital Forecast   68.10%
World Weather Online   61.09%
Persistence   41.67%
Last Year
Weather Underground   78.48%
The Weather Channel   78.28%
MeteoGroup   77.38%
AccuWeather   76.71%
Foreca   76.02%
NWS Digital Forecast   71.04%
Dark Sky (forecast.io)   68.18%
World Weather Online   63.36%
Persistence   42.83%
 

ForecastAdvisor Fact

11.8% of The Weather Channel's high temperature forecasts for Rockford were exactly right last year.