Weather Forecast Accuracy Last Month (August)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Marshalltown, Iowa

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

3.6°

Last Year:

6.7°

Average change in low temperature day-to-day

Last Month:

6.5°

Last Year:

7.8°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

30%

Last Year:

63%

Chance of precip day after a dry day

Last Month:

25%

Last Year:

18%

ForecastAdvisor Fact

67.7% of NWS Digital Forecast's high temperature forecasts for Marshalltown were within 3 degrees of actual temperatures last year.

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