Weather WorldEastern Oregon Regional at Pendleton, OR Weather Forecast
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Eastern Oregon Regional at Pendleton Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | |  | | | |  |  |
| Smoke | Clearing | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Lo: 56°FLo: 13°C | Hi: 90°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Sat Aug 15 2026 
Eastern Oregon Regional at Pendleton Radar Loop
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Eastern Oregon Regional at Pendleton Weather Map
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Eastern Oregon Regional at Pendleton Forecast Discussion
Issued: 354 PM PDT Sat Aug 15 2026
Key Messages
- Isolated to scattered showers and thunderstorms today with abundant lightning and gusty winds, mainly over eastern Oregon.
- Lower (<20 percent) chances of showers and thunderstorms Sunday and a 20-30 percent chance of showers Monday with a (<20 percent) chance of thunderstorms mainly from the Blue Mountains eastward.
- Increasing winds later Monday into Tuesday.
Discussion
... Southwesterly flow remains over the Pacific Northwest. Low pressure will move from near British Columbia to well off the Oregon and California coasts by Monday afternoon. This will allow for a more split flow pattern to develop early next week, which should keep things ...