Atmospheric conditions upon Longs Summit may be unpredictable. The at the summit of Longs Mountain can shift drastically. It's crucial to check the weather forecast and be ready for any kind of climate conditions hiking on Longs Summit. The mountain is renowned for its abrupt weather changes as well as hazardous storms. Dressing in layers and bringing spare gear like rain jackets, caps, and gloves is critical to stay protected from inclement weather.