Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Bolton, Connecticut

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

7.2°

Last Year:

6.0°

Average change in low temperature day-to-day

Last Month:

8.2°

Last Year:

6.8°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

67%

Last Year:

58%

Chance of precip day after a dry day

Last Month:

39%

Last Year:

25%

ForecastAdvisor Fact

31.1% of Persistence's high temperature forecasts for Bolton were within 3 degrees of actual temperatures last year.

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