What is the weather like in West Glacier, Montana?
Glacier is considered to have excellent air and water quality. As with other alpine systems, average temperatures usually drop as elevation increases. The western side of the park, in the Pacific watershed, has a milder and wetter climate. Precipitation is greatest during the winter and spring averaging 2 to 3 inches (50 to 80 mm) per month. Snowfall can occur at any time of the year, even in the summer, and especially at higher altitudes. Early spring and late fall are cool and sometimes damp and it’s best to layer your clothing and be prepared for any type of weather. During the tourist season daytime high temperatures average 60 to 70°F (15 to 20°C), and nighttime lows usually drop into the 40°F (5°C) range. Temperatures in the high country may be much cooler. In the lower western valleys, daytime highs in the summer may reach 90°F (30°C).