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 5.1° 6.5°
Average change in low temperature day-to-day 6.5° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 43% 49%
Chance of precip day after a dry day 11% 26%
 
 

Weather forecast accuracy for Chicago, Illinois

Last Month
MeteoGroup   82.37%
Weather Underground   81.73%
The Weather Channel   81.41%
Foreca   81.41%
CustomWeather   75.00%
AccuWeather   73.72%
Dark Sky (forecast.io)   72.44%
National Weather Service   72.00%
WeatherBug   70.19%
Persistence   46.67%
Last Year
The Weather Channel   75.03%
Weather Underground   74.58%
Foreca   72.97%
MeteoGroup   72.94%
National Weather Service   68.99%
CustomWeather   68.59%
AccuWeather   68.05%
WeatherBug   63.98%
Persistence   42.33%
 

ForecastAdvisor Fact

ForecastWatch.com is the largest provider of weather forecast accuracy statistics.