Weather Forecast Accuracy Last Month (October)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Lerna, Illinois

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

5.1°

Last Year:

6.1°

Average change in low temperature day-to-day

Last Month:

6.3°

Last Year:

7.4°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

55%

Last Year:

62%

Chance of precip day after a dry day

Last Month:

15%

Last Year:

22%

ForecastAdvisor Fact

70.3% of NWS Digital Forecast's low temperature forecasts for Lerna were within 3 degrees of actual temperatures last month.

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