Climate on Longs Summit may be fickle. Conditions atop Longs Summit can fluctuate drastically. It is crucial to keep an eye on the weather forecast and be prepared for any climate conditions ascending Longs Mountain. The peak is known for its unexpected weather variations as well as risky weather events. Choosing the suitable attire in layers and bringing spare gear like precipitation coats, hats, and mittens is critical to be safe from the elements.