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 6.1° 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 42% 60%
Chance of precip day after a dry day 24% 27%

Weather forecast accuracy for Chicago, Illinois

Last Month
The Weather Channel   82.50%
Weather Underground   82.50%
AccuWeather   80.56%
Foreca   79.44%
MeteoGroup   78.89%
NWS Digital Forecast   76.94%
Dark Sky (forecast.io)   74.72%
World Weather Online   54.17%
Persistence   39.08%
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

It rained or snowed 33% of the time in Chicago last year when Persistence's text forecasts called for precipitation, and 30% of the time when they did not.