| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 347 AM PDT Fri Aug 28 2026 | |
| Today: Partly cloudy in the morning then clearing. Highs in the mid 80s. Light wind. Tonight: Mostly clear. Lows in the 40s. Northwest wind 5 to 15 mph. Saturday: Sunny in the morning, becoming partly cloudy. Highs in the mid 70s. West wind 5 to 15 mph. Gusts up to 25 mph in the afternoon. Saturday Night: Partly cloudy. Lows in the mid to upper 30s. Northwest wind 5 to 10 mph with gusts to around 25 mph. Sunday: Sunny. Highs in the mid to upper 70s. Light wind. Sunday Night And Monday: Mostly clear. Lows in the upper 30s to lower 40s. Highs in the upper 70s to upper 80s. Monday Night: Mostly clear. Lows in the mid to upper 40s. Tuesday: Mostly cloudy. Highs in the lower 80s. Tuesday Night And Wednesday: Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Highs in the lower 70s to lower 80s. Wednesday Night And Thursday: Mostly cloudy with a 40 percent chance of rain showers. Lows in the upper 30s to lower 40s. Highs in the lower to mid 70s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |