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 5.9° 6.0°
Average change in low temperature day-to-day 6.2° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 59%
Chance of precip day after a dry day 27% 26%
 
 

Weather forecast accuracy for Rockford, Illinois

Last Month
The Weather Channel   80.00%
Weather Underground   79.60%
MeteoGroup   79.17%
Foreca   78.61%
AccuWeather   76.39%
Dark Sky (forecast.io)   76.39%
NWS Digital Forecast   68.06%
World Weather Online   65.56%
Persistence   45.56%
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

On average, Weather Underground's low temperature forecasts for Rockford were off by 1.77 degrees last month.