Weather Forecast Accuracy Last Month (October)

Weather Forecast Accuracy Last Year (2021)

Weather Changeability for Chicago, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

5.5°

Last Year:

5.6°

Average change in low temperature day-to-day

Last Month:

7.6°

Last Year:

6.6°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

40%

Last Year:

58%

Chance of precip day after a dry day

Last Month:

17%

Last Year:

23%

ForecastAdvisor Fact

1.9% of Foreca/Vaisala's high temperature forecasts for Chicago were off by more than 10 degrees last year.

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