Cathlamet Weather Forecast

Rate this place

Last Updated: December 31, 2025

Cathlamet is a small town located in Wahkiakum County, Washington.


°F

°F

mph

Wind

%

Humidity

Summary

The climate in Cathlamet is mild with an average temperature of 54.6°F and an average rainfall of 82 inches. The town is situated near the mouth of the Columbia River, so hydrology constituents are an important aspect of the town's environment. Outdoor recreation opportunities in Cathlamet include fishing and boating, with the Elochoman and Columbia Rivers providing ample opportunities for both. The town also has a number of parks and trails for hiking and picnicking, including the Julia Butler Hansen Refuge for the Columbian White-Tailed Deer. Overall, Cathlamet is a peaceful and nature-filled community perfect for outdoor enthusiasts.

       

Weather Forecast

Cathlamet receives approximately 1866mm of rain per year, with humidity levels near 86% and air temperatures averaging around 10°C. Cathlamet has a plant hardyness factor of 8, meaning plants and agriculture in this region tend to thrive here all year round.