Weather Forecast Accuracy Last Month (September)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Rockford, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

6.0°

Last Year:

5.8°

Average change in low temperature day-to-day

Last Month:

6.2°

Last Year:

6.5°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

71%

Last Year:

59%

Chance of precip day after a dry day

Last Month:

25%

Last Year:

21%

ForecastAdvisor Fact

On average, AccuWeather's low temperature forecasts for Rockford were off by 2.47 degrees last year.

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