| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 302 PM PDT Tue Oct 20 2026 |  |
| Tonight: Partly cloudy. Lows in the mid to upper 30s. Light wind. Wednesday: Mostly sunny. Areas of frost in the morning. Highs in the mid 70s. Light wind, becoming south 5 to 10 mph with gusts to around 20 mph in the afternoon. Wednesday Night: Partly cloudy. Lows in the upper 30s to lower 40s. Southeast wind 5 to 10 mph in the evening, becoming light. Thursday: Rain showers and a chance of thunderstorms. Highs in the mid 60s. Light wind. Chance of precipitation 90 percent. Thursday Night: Rain showers likely. Lows in the lower to mid 30s. West wind 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. Friday: Partly sunny. Highs in the lower to mid 50s. Friday Night And Saturday: Mostly clear. Lows in the lower to mid 20s. Highs in the 50s. Saturday Night: Windy. Partly cloudy. Lows in the upper 20s to lower 30s. Sunday And Sunday Night: Partly cloudy. A 20 percent chance of rain showers. Highs around 60. Lows in the upper 20s to lower 30s. Monday: Mostly sunny with a 20 percent chance of rain or snow showers. Highs in the lower 60s. Monday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 20s to lower 30s. Tuesday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |