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 6.3° 6.0°
Average change in low temperature day-to-day 5.8° 6.8°
Precipitation Last Month Last Year
Chance of dry day after a precip day 35% 60%
Chance of precip day after a dry day 36% 27%

Weather forecast accuracy for Chicago, Illinois

Last Month
Weather Underground   74.40%
The Weather Channel   74.11%
Dark Sky (forecast.io)   69.64%
MeteoGroup   69.35%
AccuWeather   67.86%
NWS Digital Forecast   67.26%
Foreca   65.18%
World Weather Online   51.19%
Persistence   45.70%
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

52.4% of Foreca's high temperature forecasts for Chicago were within 3 degrees of actual temperatures last month.