14 Day Weather Longs Peak Campground meteoblueWeather on Longs Mountain is capricious. Conditions on Longs Peak may shift dramatically. It's essential to keep an eye on the weather forecast and be prepared for any kind of climate conditions ascending Longs Summit. The is noted for its sudden climate variations as well as hazardous storms. Choosing the suitable attire in multiple layers and carrying additional equipment like rain coats, caps, and gloves is essential to be sheltered against inclement weather.