5-day weather forecast for Chicago, Illinois

Weather changeability for Chicago, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.4° 6.0°
Average change in low temperature day-to-day 4.3° 6.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 45% 60%
Chance of precip day after a dry day 17% 27%

Weather forecast accuracy for Chicago, Illinois

Last Month
AccuWeather   78.33%
The Weather Channel   78.33%
Weather Underground   78.33%
Foreca   76.19%
MeteoGroup   75.00%
NWS Digital Forecast   74.45%
Dark Sky (forecast.io)   64.44%
World Weather Online   51.11%
Persistence   50.29%
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

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