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 6.1° 6.0°
Average change in low temperature day-to-day 8.1° 6.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 83% 60%
Chance of precip day after a dry day 26% 27%

Weather forecast accuracy for Chicago, Illinois

Last Month
Foreca   83.64%
The Weather Channel   82.72%
Weather Underground   82.41%
MeteoGroup   81.48%
Dark Sky (forecast.io)   75.62%
AccuWeather   72.53%
NWS Digital Forecast   71.47%
World Weather Online   62.04%
Persistence   39.33%
Last Year
MeteoGroup   79.19%
Weather Underground   79.11%
The Weather Channel   78.98%
Foreca   77.30%
AccuWeather   75.88%
Dark Sky (forecast.io)   72.41%
NWS Digital Forecast   71.32%
World Weather Online   63.77%
Persistence   44.10%

ForecastAdvisor Fact

0.6% of NWS Digital Forecast's low temperature forecasts for Chicago were off by more than 10 degrees last year.