Weather Forecast Accuracy Last Month (December)

Weather Forecast Accuracy Last Year (2022)

Weather Changeability for Chatham, Massachusetts

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

5.7°

Last Year:

5.2°

Average change in low temperature day-to-day

Last Month:

7.2°

Last Year:

6.7°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

60%

Last Year:

65%

Chance of precip day after a dry day

Last Month:

18%

Last Year:

33%

ForecastAdvisor Fact

On average, Weatherbit's high temperature forecasts for Chatham were off by 3.27 degrees last year.

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