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

In March, North Cascades National Park averages -3°C high / -10°C low with about 170 mm of rain; Portland averages 13°C high / 5°C low with about 115 mm.

North Cascades National Park vs Portland in March

Portland is the better pick in March — 65 vs 47 on SeasonMap's comfort score. Portland is cool, rainy, clean air, while North Cascades National Park is freezing, soaked, clean air.

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

	🇺🇸 North Cascades National Park	🇺🇸 Portland
Comfort score	47/100 (F)	65/100 (C)
Feels-like high	-7°C	11°C
Avg high / low	-3° / -10°	13° / 5°
Rainfall	170 mm	115 mm
Rainy days	18	16
Humidity	78%	82%
Air quality (AQI)	45	39

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

Month by month

North Cascades National Park vs Portland in March — FAQ

Is March better in North Cascades National Park or Portland?: Portland is the better pick in March — 65 vs 47 on SeasonMap's comfort score. Portland is cool, rainy, clean air, while North Cascades National Park is freezing, soaked, clean air.
What is the weather like in North Cascades National Park vs Portland in March?: In March, North Cascades National Park averages -3°C high / -10°C low with about 170 mm of rain; Portland averages 13°C high / 5°C low with about 115 mm.