Weather Forecast Accuracy Last Month (July)

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Weather Forecast Accuracy Last Year (2024)

Weather Changeability for Lerna, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

2.6°

Last Year:

5.8°

Average change in low temperature day-to-day

Last Month:

3.2°

Last Year:

8.2°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

69%

Last Year:

57%

Chance of precip day after a dry day

Last Month:

39%

Last Year:

22%

ForecastAdvisor Fact

On average, AerisWeather's high temperature forecasts for Lerna were off by 1.97 degrees last month.

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