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 3.6° 6.0°
Average change in low temperature day-to-day 5.0° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 64% 59%
Chance of precip day after a dry day 39% 26%
 
 

Weather forecast accuracy for Rockford, Illinois

Last Month
The Weather Channel   78.61%
AccuWeather   78.06%
Weather Underground   77.59%
Foreca   77.50%
MeteoGroup   75.83%
NWS Digital Forecast   71.39%
Dark Sky (forecast.io)   70.56%
World Weather Online   64.72%
Persistence   43.68%
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

1.2% of MeteoGroup's low temperature forecasts for Rockford were off by more than 10 degrees last year.