| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 302 PM PDT Wed Aug 12 2026 |  |
Tonight: Mostly clear. Areas of smoke. Lows in the upper 40s to lower 50s. Northwest wind 5 to 15 mph. Thursday: Sunny. Areas of smoke. Highs in the mid 80s. Light wind, becoming northwest 5 to 10 mph in the afternoon. Thursday Night: Partly cloudy. Smoke in the evening. A 40 percent chance of rain showers overnight. Lows in the lower to mid 50s. Northwest wind 5 to 15 mph in the evening, becoming light. Rainfall amounts less than a tenth of an inch. Friday: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Light wind. Chance of precipitation 50 percent. Friday Night: Partly cloudy. Lows in the lower 50s. Light wind. Saturday: Partly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the mid to upper 80s. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower to mid 50s. Chance of precipitation 40 percent. Sunday: Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s to lower 90s. Sunday Night: Mostly cloudy. Lows in the lower to mid 50s. Monday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the upper 80s to lower 90s. Monday Night: Mostly cloudy. Lows in the lower to mid 50s. Tuesday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the mid 80s. Tuesday Night And Wednesday: Mostly cloudy with a 30 percent chance of rain showers. Lows in the lower to mid 50s. Highs in the lower to mid 80s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |