Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Baltimore, Maryland

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

7.3°

Last Year:

6.0°

Average change in low temperature day-to-day

Last Month:

5.9°

Last Year:

6.4°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

80%

Last Year:

53%

Chance of precip day after a dry day

Last Month:

35%

Last Year:

24%

ForecastAdvisor Fact

74.4% of AerisWeather's low temperature forecasts for Baltimore were within 3 degrees of actual temperatures last month.

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