Wilsonville, OR Weather & Climate Normals
What a normal year in Wilsonville actually looks like
On the 30-year record NOAA keeps for Wilsonville, OR, the comfort score comes out to 56/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Wilsonville's weather actually swings
Average temperatures in Wilsonville run from 41°F in Dec up to 69°F in Aug, a 27.5°F seasonal swing, a middling gap by national standards.
How wet Wilsonville actually gets
Wilsonville averages 42.38in of precipitation a year across roughly 152 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Wilsonville against the rest of the country
Out of 4876 cities scored here, Wilsonville comes in at 757; within OR alone it ranks 27 of 80. Population is about 27,895.
Checking the actual forecast
These figures come from N WILLAMETTE EXP STN, OR US, the NOAA station 2.2 miles from Wilsonville, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station