Aragorn and the remaining host, now numbering something less than six thousands, reach the Morgul Vale at nightfall.
The Morgul Vale is a bleak and nearly barren place laid desolate by long years as the doorstep of Mordor. The host camps here in the dark, Mordor enhanced, night. At the edge of the encampment wolves howl and other fearsome things prowl giving the host a sleepless night. I can imagine that the entire host is huddled with their own troubled thoughts of what tomorrow will bring.
Meanwhile, Frodo and Sam continue their journey. They take the last of their water and face the day. Tolkein describes it: