| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 626 AM PDT Sun Aug 31 2025 | |
| Today: Mostly cloudy in the morning, becoming partly cloudy. Haze. Highs in the mid 90s. Southeast wind 5 to 15 mph. Tonight: Partly cloudy. Haze. Lows in the mid to upper 50s. Southeast wind 5 to 15 mph. Labor Day: Hot. Partly cloudy in the morning then clearing. Haze in the morning. Highs in the mid to upper 90s. South wind 5 to 10 mph. Gusts up to 20 mph in the afternoon. Monday Night: Mostly clear. Lows in the mid 50s to lower 60s. Southeast wind 5 to 10 mph. Tuesday: Hot, sunny. Highs in the upper 90s. Light wind. Tuesday Night Through Thursday Night: Partly cloudy. Lows in the upper 50s to lower 60s. Highs in the mid to upper 90s. Friday And Friday Night: Mostly cloudy. Highs in the lower 90s. Lows in the upper 50s to lower 60s. Saturday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the mid to upper 80s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |