Best time to visit national parks in Washington
The national parks in Washington do not share one season. 2 different best-time windows cover the 3 parks in this catalog.
These windows are a coarse climate pattern, not a forecast. Confirm road and weather status with the park before you book.
Seasons in Washington
| Park | Best window | Watch out | Park page |
|---|---|---|---|
| Mount Rainier National Park | July through mid-September, once the high country is clear of snow | Afternoon thunderstorms build fast above treeline in summer. Start early and be off exposed ridges by early afternoon. | Best time to visit |
| North Cascades National Park | July through mid-September, once the high country is clear of snow | Afternoon thunderstorms build fast above treeline in summer. Start early and be off exposed ridges by early afternoon. | Best time to visit |
| Olympic National Park | May through October | Peak summer weekends and autumn colour weekends fill parking lots early — arrive before mid-morning. | Best time to visit |
Related lists
Common questions
What is the best time to visit national parks in Washington?
There is no single window. Mount Rainier National Park and North Cascades National Park are best July through mid-September, once the high country is clear of snow. Olympic National Park is best May through October.
Is summer the best time to visit Washington national parks?
Summer is the best window for some Washington parks and a hazard or a crowd problem for others. Each park keeps its own season.