| NWS Forecast for: East Slopes of the Oregon Cascades Issued by: National Weather Service Pendleton, OR Last Update: 401 AM PDT Sun Sep 20 2026 |  |
| Today: Sunny. Highs in the 70s, except in the upper 70s to lower 80s valleys. Tonight: Mostly clear. Lows in the mid 40s to mid 50s. Monday: Partly cloudy. Highs in the 70s, except in the upper 70s to lower 80s valleys. Monday Night: Partly cloudy. Lows in the lower 40s to lower 50s. Tuesday: Partly cloudy. Highs in the lower 60s to lower 70s, except in the lower to mid 70s valleys. Tuesday Night Through Thursday: Partly cloudy. Lows in the upper 30s to mid 40s. Highs in the upper 50s to upper 60s, except in the mid 60s to mid 70s valleys. Thursday Night: Mostly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 40s. Friday: Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower 50s to lower 60s, except in the upper 50s to mid 60s valleys. Friday Night: Mostly cloudy with a 20 percent chance of rain showers. Lows in the mid 30s to lower 40s. Saturday: Mostly cloudy. Highs in the upper 40s to mid 50s, except in the mid 50s to lower 60s valleys. | |
| Zone Forecast: East Slopes of the Oregon Cascades | |
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