The park is located in northeastern Arizona about two hours east of Flagstaff, Arizona and about one hour west of Gallup, New Mexico. The park is open year-round except on Christmas and New Year's Day. Hours may change, so please call before your arrival. In winter the highs can be in the 40s or 50s, or much colder with highs only in the 20s. There is occasional snow in the winter.
High winds can happen any time of year.
Humidity is usually low. Directions Petrified Forest stretches between Interstate 40 and U.S. 180. You can drive through and enjoy the park, then connect with U.S. 180 at the southern end. Take U.S. 180 west to Holbrook and continue west on Interstate 40. Eastbound visitors can exit Interstate 40 at Holbrook and take U.S. 180 east to the park, drive north through the park, and return to Interstate 40.