The climate of Fort Clatsop is continually mild and wet with annual precipitation averaging 70 inches. Seasonal and daily temperature fluctuations are minimal. Average monthly maximum temperatures range from 47° to 67° F/8° to 19° C. Average minimums range from 35° to 53° F/2° to 12° C.
Check the National Weather Service for up-to-date weather information and forecasts when planning your trip.
Last updated: May 12, 2021