Pendleton, Ore. – Eastern Oregon will see summerlike warmth through the weekend, with highs climbing into the mid-80s before a cooldown and rain chances arrive Sunday. Clear skies dominate the forecast for Pendleton, but residents should prepare for changing conditions early next week.
According to the National Weather Service in Pendleton, Thursday and Friday will remain sunny with highs near 84 to 85 degrees, about 10 degrees above average for mid-September. Winds will stay light, generally under 6 mph, offering calm conditions for outdoor events, farming activity, and travel across Umatilla County.
Saturday continues the warm trend with a high of 85, though clouds will start to build overnight. By Sunday, a 20 percent chance of showers could affect morning plans, with cooler air keeping highs around 77. Skies clear again Sunday night, leading to a milder start to the week.
Drivers and outdoor workers should take precautions against the heat through Saturday by staying hydrated and limiting afternoon exposure. While Sunday’s rain chances are slight, farmers and event organizers should monitor updated forecasts for timing shifts.
Temperatures trend more seasonal next week, with highs in the upper 70s to low 80s and a return of occasional showers by Wednesday.
Five Day Forecast for Pendleton, OR
- Thursday: Sunny, high near 84.
- Friday: Sunny, high near 85.
- Saturday: Sunny, high near 85.
- Sunday: 20% chance of showers, high near 77.
- Monday: Mostly sunny, high near 79.
