What is the weather like in North Cascades National Park vs Portland in October?

In October, North Cascades National Park averages 3°C high / -4°C low with about 187 mm of rain; Portland averages 18°C high / 9°C low with about 109 mm.

North Cascades National Park vs Portland in October

Portland is the better pick in October — 72 vs 57 on SeasonMap's comfort score. Portland is nice, rainy, clean air, while North Cascades National Park is cold, soaked, clean air.

North Cascades National Park vs Portland — October climate, side by side

	🇺🇸 North Cascades National Park	🇺🇸 Portland
Comfort score	57/100 (D)	72/100 (B)
Feels-like high	0°C	16°C
Avg high / low	3° / -4°	18° / 9°
Rainfall	187 mm	109 mm
Rainy days	16	11
Humidity	82%	79%
Air quality (AQI)	31	32

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

Month by month

North Cascades National Park vs Portland in October — FAQ

Is October better in North Cascades National Park or Portland?: Portland is the better pick in October — 72 vs 57 on SeasonMap's comfort score. Portland is nice, rainy, clean air, while North Cascades National Park is cold, soaked, clean air.
What is the weather like in North Cascades National Park vs Portland in October?: In October, North Cascades National Park averages 3°C high / -4°C low with about 187 mm of rain; Portland averages 18°C high / 9°C low with about 109 mm.