Hourly Weather - Waltham, United States

At a Glance Triple digit heat is forecast.Cooling stations are already open in some areas.Heat is the No. 1 weather killer in the U.S. A state of emergency has been declared in Oregon as another dangerous heat wave moves in to the Pacific Northwest Residents are being advised to prepare for disruptions to the power grid and transportation, and to take precautions to stay safe. “Oregon is facing yet another , and it is critical that every level of government...