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

In August, Mount Rainier National Park averages 14°C high / 3°C low with about 25 mm of rain; Portland averages 28°C high / 16°C low with about 8 mm.

Mount Rainier National Park vs Portland in August

Mount Rainier National Park and Portland are nearly tied in August — 92 vs 89 on SeasonMap's comfort score. Mount Rainier National Park is cool, dry, clean air; Portland is warm, dry, clean air.

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

	🇺🇸 Mount Rainier National Park	🇺🇸 Portland
Comfort score	92/100 (S)	89/100 (A)
Feels-like high	12°C	28°C
Avg high / low	14° / 3°	28° / 16°
Rainfall	25 mm	8 mm
Rainy days	5	1
Humidity	66%	57%
Air quality (AQI)	39	34

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

Month by month

Mount Rainier National Park vs Portland in August — FAQ

Is August better in Mount Rainier National Park or Portland?: Mount Rainier National Park and Portland are nearly tied in August — 92 vs 89 on SeasonMap's comfort score. Mount Rainier National Park is cool, dry, clean air; Portland is warm, dry, clean air.
What is the weather like in Mount Rainier National Park vs Portland in August?: In August, Mount Rainier National Park averages 14°C high / 3°C low with about 25 mm of rain; Portland averages 28°C high / 16°C low with about 8 mm.