FPUS46 KPDT 200950 City Forecast for Pendleton, OR Issued Thursday morning - Oct 20, 2005 .Thursday... Partly cloudy, high 66, 5% chance of precipitation. .Thursday night... Low 42, 0% chance of precipitation. .Friday... Sunny, high 63, 0% chance of precipitation. .Friday night... Low 41. .Saturday... High 66.