Weather Forecast Accuracy Last Month (August)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Helena, Montana

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

6.5°

Last Year:

6.3°

Average change in low temperature day-to-day

Last Month:

5.0°

Last Year:

6.6°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

50%

Last Year:

63%

Chance of precip day after a dry day

Last Month:

14%

Last Year:

14%

ForecastAdvisor Fact

0.8% of AccuWeather's low temperature forecasts for Helena were off by more than 10 degrees last year.

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