
National Park · WA
North Cascades is quietest in January and February and busiest in July.
Less than three hours from Seattle, an alpine landscape beckons. Discover communities of life adapted to moisture in the west and recurring fire in the east. Explore jagged peaks crowned by more than 300 glaciers. Listen to cascading waters in forested valleys. Witness a landscape sensitive to the Earth's changing climate. Help steward the ecological heart of the Cascades.
35K recreation visits a year on average (2023–2025)
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
This week
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Wed 26 | Clear | 68°F | 55°F | 2% |
| Thu 27 | Overcast | 61°F | 49°F | 20% |
| Fri 28 | Overcast | 63°F | 46°F | 18% |
| Sat 29 | Heavy drizzle | 51°F | 45°F | 57% |
| Sun 30 | Light drizzle | 55°F | 44°F | 6% |
| Mon 31 | Heavy drizzle | 48°F | 43°F | 14% |
| Tue 1 | Drizzle | 51°F | 44°F | 38% |
Forecast data by Open-Meteo
Source: Open-Meteo
Weather
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| January | 39°F | 30°F | 12.3" |
| February | 43°F | 30°F | 7.4" |
| March | 49°F | 33°F | 8.2" |
| April | 57°F | 38°F | 4.6" |
| May | 66°F | 44°F | 2.7" |
| June | 70°F | 49°F | 2.3" |
| July | 78°F | 53°F | 1.3" |
| August | 79°F | 54°F | 1.5" |
| September | 71°F | 49°F | 3.4" |
| October | 58°F | 42°F | 8.6" |
| November | 45°F | 35°F | 13.7" |
| December | 38°F | 30°F | 11.6" |
Source: NOAA 1991–2020 climate normals, DIABLO DAM, WA US
Know before you go
Source: NPS Data API
Conditions
Prevent smashed windows and theft. Break-ins are not uncommon at trailheads along State Route 20. Remove your valuables and electronics and take associated electronic cords.
Due to silt accumulation, the Diablo Lake boat launch at Colonial Creek South Campground is not usable for launching most powerboats. Expect shallow or no water at the launch ramp and the possibility of needing to carry your boat to or from the water.
Details on nps.gov →For closures due to fire activity visit the Fire Closures page, including trail, area, and camp closures for current and post fire conditions.
Details on nps.gov →Until further notice, the gate at Hozomeen will remain closed; vehicle and foot traffic across the US/Canada border is prohibited. Visitors must enter through a designated port of entry.
Details on nps.gov →The Stehekin area is prone to flooding, which increases in a post-fire environment. Know before you go – visit the Post Fire Safety page for information on what to do in a flash flood and debris flow area
Details on nps.gov →The following established climbing management areas are closed to all public use from March 1, 2026 to July 15, 2026 to protect peregrine falcon nesting aeries: Newhalem Crag East and Newhalem Crag West (Ryan’s Wall).
Goodell Creek Campground is closed until further notice due to bear activity.
Details on nps.gov →Effective Monday, June 29, campfires or the ignition of wood, briquettes, or any fuel in fire pits, fire pans, and barbeque grills, are banned in all portions of North Cascades National Park Service Complex, which includes North Cascades National Park, Ross Lake National Recreation Area, and Lake Chelan National Recreation Area.. This applies to anything that produces ash, including charcoal grills. Propane fire pits are not allowed during the ban.
Details on nps.gov →Visitor and recreational opportunities continue to be available in the Stehekin Valley. Some services are limited at the Stehekin Landing following flood damage in December 2025.
Details on nps.gov →Source: NPS Data API
FAQ
North Cascades is least crowded in January, February, and March. July is the busiest month, so visiting outside it means thinner crowds and easier parking.
Entry to North Cascades is free.
North Cascades is busiest in July, when crowds rate 10/10 (peak). Expect full parking lots and longer waits; arrive early or choose a quieter month.