| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 1132 AM PDT Fri Aug 21 2026 |  |
Rest Of Today: Very hot. Mostly cloudy. Patchy smoke. Highs 100 to 101. Light wind. Tonight: Mostly cloudy. Patchy smoke in the evening. Lows in the lower to mid 60s. West wind 5 to 10 mph. Saturday: Hot. Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Patchy smoke in the afternoon. Highs in the mid 90s. Light wind, becoming southwest 5 to 10 mph with gusts to around 20 mph in the afternoon. Saturday Night: Mostly clear. Lows in the upper 40s to lower 50s. Northwest wind 5 to 15 mph. Sunday: Sunny. Highs in the mid to upper 80s. Light wind. Sunday Night And Monday: Mostly clear. Lows in the upper 40s to lower 50s. Highs in the mid 80s to lower 90s. Monday Night Through Wednesday: Partly cloudy. Lows in the 50s. Highs in the upper 80s to mid 90s. Wednesday Night And Thursday: Mostly clear. Lows in the upper 40s to lower 50s. Highs in the mid 80s to lower 90s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |