Carlisle Federal Indian Boarding School National Monument

Weather

Winter: Generally, cooler weather starts in September. The first snowfall often occurs in mid-October and can extend through mid-April. Spring: During the spring months, temperatures typically range from the 50s-70s. Summer: June through August are seasonably warm with high humidity and temperatures in the 80s and 90s. Fall: Generally, cooler weather starts in September. The first snowfall occurs in mid-October and can extend through mid-April.