Average change in
Temperature
Average change in high temperature day-to-day
Last Month:
3.3°
Last Year:
4.7°
Average change in low temperature day-to-day
Last Month:
5.1°
Last Year:
4.0°
Average change in
Precipitation
Chance of dry day after a precip day
Last Month:
16%
Last Year:
35%
Chance of precip day after a dry day
Last Month:
27%
Last Year:
18%
ForecastAdvisor Fact
8.7% of Wetter.com's high temperature forecasts for Portland were exactly right last year.