| NWS Forecast for: Grande Ronde Valley Issued by: National Weather Service Pendleton, OR Last Update: 817 PM PDT Wed Mar 18 2026 |  |
| Rest Of Tonight: Mostly cloudy. Lows in the mid to upper 40s. South wind 5 to 10 mph. Thursday: Partly sunny. Highs in the mid to upper 70s. South wind 5 to 15 mph. Thursday Night: Mostly cloudy. Lows in the upper 40s to lower 50s. Southwest wind 5 to 10 mph. Gusts up to 20 mph in the evening. Friday: Mostly sunny. Highs in the mid 70s. South wind 5 to 10 mph with gusts to around 25 mph. Friday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the lower to mid 40s. Northwest wind 5 to 10 mph with gusts to around 20 mph. Saturday: Mostly cloudy with a 50 percent chance of rain. Highs in the lower to mid 50s. Saturday Night Through Monday: Partly cloudy. Lows in the upper 20s to mid 30s. Highs in the lower 50s to lower 60s. Monday Night: Mostly cloudy with a 20 percent chance of rain. Lows in the lower 40s. Tuesday: Mostly cloudy with a 50 percent chance of rain. Highs in the lower 60s. Tuesday Night: Rain or snow likely. Lows in the upper 30s. Chance of precipitation 60 percent. Wednesday: Mostly sunny with a 50 percent chance of rain or snow. Highs in the lower to mid 50s. | |
| Zone Forecast: Grande Ronde Valley | |
Visit your local NWS office at: https://www.weather.gov/pdt |