Yacolt Weather Forecast

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Last Updated: January 1, 2026

Yacolt, Washington is a small town located in the southwestern part of the state.


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Summary

The climate in Yacolt is classified as a temperate marine climate with mild, wet winters and warm, dry summers. The average temperature ranges from the mid-30s°F (2°C) in winter to the mid-70s°F (24°C) in summer. Rainfall is fairly evenly distributed throughout the year, with the wettest months being November through February.

Yacolt is surrounded by beautiful natural landscapes, including the Lewis River and various creeks. The hydrology constituents of the area include the Lewis River, which offers opportunities for fishing, boating, and swimming. There are also numerous hiking trails in the nearby Gifford Pinchot National Forest, perfect for exploring the stunning scenery and enjoying outdoor activities such as camping, bird-watching, and wildlife spotting.

For those seeking more adventurous pursuits, Yacolt is close to Mount St. Helens, providing opportunities for hiking, climbing, and exploring the volcano's unique landscape. Overall, Yacolt offers a mild climate, scenic waterways, and abundant outdoor recreation opportunities for nature enthusiasts to enjoy throughout the year.

       

Weather Forecast

Yacolt receives approximately 2194mm of rain per year, with humidity levels near 82% and air temperatures averaging around 11°C. Yacolt has a plant hardyness factor of 8, meaning plants and agriculture in this region tend to thrive here all year round.