Weather Forecast Accuracy Last Month (October)

Weather Forecast Accuracy Last Year (2020)

Weather Changeability for Seattle, Washington

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

4.1°

Last Year:

3.9°

Average change in low temperature day-to-day

Last Month:

3.5°

Last Year:

4.0°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

38%

Last Year:

50%

Chance of precip day after a dry day

Last Month:

14%

Last Year:

19%

ForecastAdvisor Fact

On average, NWS Digital Forecast's low temperature forecasts for Seattle were off by 1.93 degrees last year.

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