How is the weather up the Huashan Mountain around August 22?

We plan to take the west cable car up view Weak Peak then walk to South Peak n view then try the Plank walk.Proceed to east peak maybe if there r Dorm rooms stay overnight n watch the sunrise! Continue to Middle peak n view then walk to North Peak to take the cable car down.We r 2 couples above 62 years old.n we check from various reviews that Black Dragon Ridge is very Steep.?Do we need walking Sticks for walking total 4.5 hrs or more.?Please Advise us on this.Tq