What is the weather like in Portland vs Seattle in October?

In October, Portland averages 18°C high / 9°C low with about 109 mm of rain; Seattle averages 16°C high / 7°C low with about 76 mm.

Portland vs Seattle in October

Portland and Seattle are nearly tied in October — 72 vs 72 on SeasonMap's comfort score. Portland is nice, rainy, clean air; Seattle is cool, a little rain, clean air.

Portland vs Seattle — October climate, side by side

	🇺🇸 Portland	🇺🇸 Seattle
Comfort score	72/100 (B)	72/100 (B)
Feels-like high	16°C	14°C
Avg high / low	18° / 9°	16° / 7°
Rainfall	109 mm	76 mm
Rainy days	11	9
Humidity	79%	83%
Air quality (AQI)	32	36

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Portland 🇺🇸 United Statesnice, rainy, clean air · best June72
Seattle 🇺🇸 United Statescool, a little rain, clean air · best July72

Portland vs Seattle in October — FAQ

Is October better in Portland or Seattle?: Portland and Seattle are nearly tied in October — 72 vs 72 on SeasonMap's comfort score. Portland is nice, rainy, clean air; Seattle is cool, a little rain, clean air.
What is the weather like in Portland vs Seattle in October?: In October, Portland averages 18°C high / 9°C low with about 109 mm of rain; Seattle averages 16°C high / 7°C low with about 76 mm.