Weather Forecast Accuracy Last Month (December)

Weather Forecast Accuracy Last Year (2021)

Weather Changeability for Des Plaines, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

6.5°

Last Year:

5.8°

Average change in low temperature day-to-day

Last Month:

6.6°

Last Year:

6.6°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

58%

Last Year:

57%

Chance of precip day after a dry day

Last Month:

10%

Last Year:

23%

ForecastAdvisor Fact

71.5% of Wetter's low temperature forecasts for Des Plaines were within 3 degrees of actual temperatures last year.

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