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 6.4° 6.5°
Average change in low temperature day-to-day 6.4° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 57% 49%
Chance of precip day after a dry day 50% 26%
 
 

Weather forecast accuracy for Chicago, Illinois

Last Month
The Weather Channel   77.01%
Weather Underground   76.72%
AccuWeather   75.30%
Foreca   71.84%
MeteoGroup   71.84%
NWS Digital Forecast   70.83%
Dark Sky (forecast.io)   67.53%
Persistence   38.69%
Last Year
The Weather Channel   75.03%
Weather Underground   74.58%
Foreca   72.97%
MeteoGroup   72.94%
CustomWeather   68.59%
NWS Digital Forecast   68.10%
AccuWeather   68.05%
WeatherBug   63.98%
Persistence   42.33%
 

ForecastAdvisor Fact

12.4% of Foreca's low temperature forecasts for Chicago were exactly right last year.