North Cascades in March: Crowds, Weather & What to Pack
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March is a quiet month with trade-offs at North Cascades National Park: crowds run 1% of the July peak (59 average visits). Weather: highs average 47°F and lows 30°F, with 3.6″ of precipitation and 11.8 hours of daylight. Headline access is typically closed this month — see the access warning below. Computed from NPS and NOAA data.
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Bring for North Cascades in March
- Insulated jacket, beanie and glovesSee it on AmazonWhy: nights average 30°F, below freezing.
- Rain shell + pack coverSee it on AmazonWhy: 3.6″ of precipitation is normal this month.
- Traction devices (microspikes) and gaitersSee it on AmazonWhy: 9″ normal snowfall.
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North Cascades in March: what the park service says
March is still winter on State Route 20, which usually reopens in late April or early May once crews clear the snow, the park says, and its visitor centers stay closed until late May. Lower valleys see rain while the mountains hold snow, and higher roads and trails can be snow-covered until early July. Rangers start posting trail condition updates in May.
Source: NPS, checked 2026-11-05.

Crowds in March
North Cascades averages 59 recreation visits in March — 1% of what July, the peak month, draws — this is the second-quietest month of the year. Plan lodging and entries with that in mind — crowds are thin by this park's standards.
Weather & daylight
Expect cool days (highs average 47°F), and nights drop below freezing (lows average 30°F). Average precipitation is 3.6″ for the month. Normal snowfall is 9″ — expect snow on the ground. Mid-month daylight runs 11.8 hours.
NOAA 1991–2020 monthly normals, station STEHEKIN 4 NW, WA US (12 mi from park coordinates, 1,257 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of March.
What to pack for North Cascades in March
Computed from the month's weather normals above — not a generic list.
- Insulated jacket, beanie and gloves — nights average 30°F, below freezing
- Rain shell + pack cover — 3.6″ of precipitation is normal this month
- Traction devices (microspikes) and gaiters — 9″ normal snowfall (compare other options)
- Insulated, waterproof boots — plus navigation and a basic first-aid kit — 9″ of snow is normal this month
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Looking for a better window? The computed best months for North Cascades are May and June.
Also at their best in March
Other parks whose computed March verdict is a best window — same NPS × NOAA formula:
- Great Basin in March — 10% of peak crowds, highs 48°F, score 81/100
- Shenandoah in March — 23% of peak crowds, highs 55°F, score 78/100
- Wind Cave in March — 15% of peak crowds, highs 50°F, score 78/100
- Mesa Verde in March — 17% of peak crowds, highs 47°F, score 77/100
Common questions
Is North Cascades crowded in March?
No — March is one of the quieter months: 1% of the July peak, averaging 59 visits (NPS, 2021–2025). See every month at North Cascades.
What is the weather like in North Cascades in March?
Average highs of 47°F, lows of 30°F, 3.6″ of precipitation (NOAA 1991–2020 normals, STEHEKIN 4 NW, WA US station). Compare it with other national parks in March.
What should I pack for North Cascades in March?
Insulated jacket, beanie and gloves; Rain shell + pack cover; Traction devices (microspikes) and gaiters — the full weather-computed list is on this page. Going in April instead? North Cascades in April has its own list.
Is everything open at North Cascades in March?
State Route 20 (the North Cascades Highway) typically closes November–late spring due to avalanche danger. Always check the park's live NPS alerts for current conditions.
See also: the best national parks to visit in March · Last verified 2026-09-24