5-day weather forecast for Harvard, Illinois

Weather changeability for Rockford, Illinois

Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.

Weather forecast accuracy for Rockford, Illinois

Last Month
MeteoGroup   79.17%
Weather Underground   78.06%
The Weather Channel   77.50%
AccuWeather   76.67%
Foreca   74.72%
NWS Digital Forecast   71.11%
Dark Sky (forecast.io)   69.44%
Last Year
Weather Underground   76.51%
The Weather Channel   76.06%
MeteoGroup   73.67%
WeatherBug   73.12%
Foreca   72.55%
AccuWeather   72.10%
NWS Digital Forecast   69.12%
CustomWeather   66.48%
Persistence   41.00%

ForecastAdvisor Fact

On average, Weather Underground's low temperature forecasts for Rockford were off by 3.18 degrees last month.