5-day weather forecast for Des Plaines, Illinois

Weather changeability for Des Plaines, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.3° 6.0°
Average change in low temperature day-to-day 9.4° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 55%
Chance of precip day after a dry day 17% 28%

Weather forecast accuracy for Des Plaines, Illinois

Last Month
Weather Underground   78.70%
The Weather Channel   78.09%
Foreca   77.78%
MeteoGroup   77.16%
AccuWeather   76.85%
NWS Digital Forecast   66.91%
Dark Sky (forecast.io)   65.74%
World Weather Online   62.96%
Persistence   44.05%
Last Year
The Weather Channel   77.42%
Weather Underground   77.27%
Foreca   75.70%
AccuWeather   75.49%
MeteoGroup   75.44%
NWS Digital Forecast   72.26%
Dark Sky (forecast.io)   71.50%
World Weather Online   60.90%
Persistence   44.60%

ForecastAdvisor Fact

On average, Weather Underground's high temperature forecasts for Des Plaines were off by 3.63 degrees last month.