Pendleton, Ore. – Eastern Oregon kicks off the week under clear skies, but drivers and residents should prepare for wide daily temperature swings. Warm afternoons in the 80s and cool nights in the 40s and 50s will dominate much of the week.
According to the National Weather Service in Pendleton, Tuesday will bring sunny skies with a high near 83, while overnight lows dip to the upper 40s. The stretch of warm days and chilly evenings could challenge travelers on I-84 and outdoor workers adjusting to sharp temperature drops. South and northwest winds may pick up in the afternoons but are expected to remain light.
Wednesday and Thursday will turn hotter, with highs reaching 87 to 86 degrees under steady sun. Clear skies and low humidity will keep fire danger concerns elevated across Umatilla County and surrounding rangelands. Residents are urged to avoid open burning and secure outdoor equipment that could spark.
By Friday and Saturday, conditions remain mostly sunny, with highs holding in the low to mid-80s. Overnight lows will gradually climb toward the mid-50s, easing the chill but maintaining crisp fall evenings.
Eastern Oregon’s clear, dry stretch offers good travel conditions, but the mix of warm afternoons and cool mornings calls for layered clothing and hydration. Forecasters say the stable pattern should last into the weekend, with no storms expected until early next week.
Five Day Forecast for Pendleton, Oregon
- Tuesday: Sunny, high near 83. Low 49.
- Wednesday: Sunny, high near 87. Low 52.
- Thursday: Sunny, high near 86. Low 55.
- Friday: Mostly sunny, high near 83. Low 57.
- Saturday: Sunny, high near 83. Low 56.
