Weather Forecast Accuracy Last Month (August)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Mount Vernon, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

2.1°

Last Year:

6.0°

Average change in low temperature day-to-day

Last Month:

3.7°

Last Year:

7.3°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

100%

Last Year:

47%

Chance of precip day after a dry day

Last Month:

19%

Last Year:

26%

ForecastAdvisor Fact

On average, AerisWeather's high temperature forecasts for Mount Vernon were off by 2.75 degrees last year.

Share