The climate is characterized by warm summers and cold winters, with average temperatures ranging from 20°F to 80°F. The hydrology constituents are primarily influenced by the Lake Tahoe watershed, which is known for its clear water and unique ecosystem. Outdoor recreational opportunities in Glenbrook include hiking, biking, kayaking, fishing, and skiing. The town is surrounded by forested mountains, making it an ideal location for outdoor enthusiasts. Popular spots for outdoor recreation include Spooner Lake, Marlette Lake, and the Tahoe Rim Trail. Visitors can also enjoy the nearby ski resorts such as Heavenly and Kirkwood.
Glenbrook receives approximately 597mm of rain per year, with humidity levels near 60% and air temperatures averaging around 7°C. Glenbrook has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months.