Glenoma Weather Forecast

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Last Updated: December 29, 2025

Glenoma is a small community located in Lewis County, Washington.


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Summary

The climate in Glenoma is mild, with warm summers and cool winters. The area receives abundant rainfall, with an average of 91 inches per year. The hydrology constituents of the area include the Cowlitz River and several smaller streams and tributaries. Outdoor recreation opportunities in Glenoma include hiking, fishing, camping, and hunting. The nearby Gifford Pinchot National Forest offers over 1,300 miles of trails for hiking and horseback riding, as well as opportunities for fishing, hunting, and camping. The area is also home to several parks and lakes, including Mayfield Lake, which offers boating and fishing opportunities.

       

Weather Forecast

Glenoma receives approximately 1842mm of rain per year, with humidity levels near 88% and air temperatures averaging around 10°C. Glenoma has a plant hardyness factor of 8, meaning plants and agriculture in this region tend to thrive here all year round.