5-day weather forecast for Blue Island, Illinois

Weather changeability for Chicago, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.4° 6.4°
Average change in low temperature day-to-day 6.0° 7.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 58%
Chance of precip day after a dry day 25% 27%
 
 

Weather forecast accuracy for Chicago, Illinois

Last Month
MeteoGroup   80.75%
The Weather Channel   79.89%
Foreca   79.89%
Weather Underground   79.76%
AccuWeather   75.86%
Dark Sky (forecast.io)   72.13%
NWS Digital Forecast   70.69%
World Weather Online   67.79%
Persistence   44.35%
Last Year
Weather Underground   77.28%
The Weather Channel   77.19%
MeteoGroup   75.73%
AccuWeather   74.83%
Foreca   74.80%
NWS Digital Forecast   71.54%
Dark Sky (forecast.io)   67.00%
World Weather Online   62.65%
Persistence   43.42%
 

ForecastAdvisor Fact

71.5% of NWS Digital Forecast's low temperature forecasts for Chicago were within 3 degrees of actual temperatures last year.