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:

4.2°

Last Year:

4.6°

Average change in low temperature day-to-day

Last Month:

2.3°

Last Year:

4.5°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

38%

Last Year:

34%

Chance of precip day after a dry day

Last Month:

20%

Last Year:

15%

ForecastAdvisor Fact

It rained or snowed 89% of the time in Portland last year when Weather Underground's text forecasts called for precipitation, and 9% of the time when they did not.

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