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

In March, Mount Rainier National Park averages -4°C high / -11°C low with about 170 mm of rain; Portland averages 13°C high / 5°C low with about 115 mm.

Mount Rainier National Park vs Portland in March

Portland is the better pick in March — 65 vs 46 on SeasonMap's comfort score. Portland is cool, rainy, clean air, while Mount Rainier National Park is freezing, soaked, clean air.

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

	🇺🇸 Mount Rainier National Park	🇺🇸 Portland
Comfort score	46/100 (F)	65/100 (C)
Feels-like high	-8°C	11°C
Avg high / low	-4° / -11°	13° / 5°
Rainfall	170 mm	115 mm
Rainy days	20	16
Humidity	81%	82%
Air quality (AQI)	45	39

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

Month by month

Mount Rainier National Park vs Portland in March — FAQ

Is March better in Mount Rainier National Park or Portland?: Portland is the better pick in March — 65 vs 46 on SeasonMap's comfort score. Portland is cool, rainy, clean air, while Mount Rainier National Park is freezing, soaked, clean air.
What is the weather like in Mount Rainier National Park vs Portland in March?: In March, Mount Rainier National Park averages -4°C high / -11°C low with about 170 mm of rain; Portland averages 13°C high / 5°C low with about 115 mm.