What is the weather like in Mount Rainier National Park vs Portland in October?

In October, Mount Rainier National Park averages 3°C high / -5°C low with about 174 mm of rain; Portland averages 18°C high / 9°C low with about 109 mm.

Mount Rainier National Park vs Portland in October

Portland is the better pick in October — 72 vs 61 on SeasonMap's comfort score. Portland is nice, rainy, clean air, while Mount Rainier National Park is cold, soaked, clean air.

Mount Rainier National Park vs Portland — October climate, side by side

	🇺🇸 Mount Rainier National Park	🇺🇸 Portland
Comfort score	61/100 (C)	72/100 (B)
Feels-like high	0°C	16°C
Avg high / low	3° / -5°	18° / 9°
Rainfall	174 mm	109 mm
Rainy days	15	11
Humidity	79%	79%
Air quality (AQI)	31	32

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

Month by month

Mount Rainier National Park vs Portland in October — FAQ

Is October better in Mount Rainier National Park or Portland?: Portland is the better pick in October — 72 vs 61 on SeasonMap's comfort score. Portland is nice, rainy, clean air, while Mount Rainier National Park is cold, soaked, clean air.
What is the weather like in Mount Rainier National Park vs Portland in October?: In October, Mount Rainier National Park averages 3°C high / -5°C low with about 174 mm of rain; Portland averages 18°C high / 9°C low with about 109 mm.