Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Marietta, Minnesota

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

8.8°

Last Year:

7.5°

Average change in low temperature day-to-day

Last Month:

13.8°

Last Year:

8.0°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

80%

Last Year:

66%

Chance of precip day after a dry day

Last Month:

21%

Last Year:

26%

ForecastAdvisor Fact

It rained or snowed 65% of the time in Marietta last year when Pirate Weather's text forecasts called for precipitation, and 10% of the time when they did not.

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