Weather Forecast Accuracy Last Month (October)

Weather Forecast Accuracy Last Year (2021)

Weather Changeability for Portland, Oregon

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

4.8°

Last Year:

4.8°

Average change in low temperature day-to-day

Last Month:

3.2°

Last Year:

5.4°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

44%

Last Year:

30%

Chance of precip day after a dry day

Last Month:

21%

Last Year:

17%

ForecastAdvisor Fact

On average, World Weather Online's high temperature forecasts for Portland were off by 3.22 degrees last year.

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