Pendleton, OR — Pendleton will experience summer-like heat on Tuesday, with temperatures expected to hit 91°F, before cooling down later in the week.
The National Weather Service forecasts a high-pressure system bringing a brief heatwave to the region. Tuesday will see the hottest day, but relief will come as cooler temperatures move in Wednesday through the weekend, with highs ranging from 70°F to 75°F.
Stay hydrated and avoid extended outdoor activity during peak heat hours on Tuesday. By Thursday, cooler temperatures will make it more comfortable for outdoor plans, as Pendleton returns to more seasonable conditions.