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 3.7° 6.0°
Average change in low temperature day-to-day 4.1° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 52%
Chance of precip day after a dry day 30% 27%
 
 

Weather forecast accuracy for Rockford, Illinois

Last Month
MeteoGroup   82.47%
Weather Underground   79.46%
The Weather Channel   79.02%
WeatherBug   76.72%
AccuWeather   74.71%
Foreca   74.14%
National Weather Service   71.26%
Dark Sky (forecast.io)   57.47%
CustomWeather   56.03%
Persistence   54.69%
Last Year
The Weather Channel   76.70%
National Weather Service   74.31%
WeatherBug   73.27%
AccuWeather   72.13%
MeteoGroup   72.01%
Foreca   71.89%
Weather Underground   70.96%
CustomWeather   67.98%
Persistence   42.14%
 

ForecastAdvisor Fact

10.5% of CustomWeather's high temperature forecasts for Rockford were exactly right last year.