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 6.2° 6.0°
Average change in low temperature day-to-day 14.0° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 88% 52%
Chance of precip day after a dry day 35% 27%
 
 

Weather forecast accuracy for Rockford, Illinois

Last Month
WeatherBug   77.38%
The Weather Channel   75.00%
National Weather Service   75.00%
MeteoGroup   74.11%
Weather Underground   74.11%
CustomWeather   69.35%
Foreca   69.35%
Dark Sky (forecast.io)   68.45%
AccuWeather   67.86%
Persistence   36.01%
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

9.4% of Foreca's low temperature forecasts for Rockford were exactly right last year.