Weather Forecast Accuracy Last Month (August)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Lewistown, Montana

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

8.9°

Last Year:

7.4°

Average change in low temperature day-to-day

Last Month:

4.1°

Last Year:

7.3°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

63%

Last Year:

55%

Chance of precip day after a dry day

Last Month:

21%

Last Year:

21%

ForecastAdvisor Fact

1.6% of Weather Underground's low temperature forecasts for Lewistown were off by more than 10 degrees last year.

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