Lower Island Lake, OR Weather Forecast
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Lower Island Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Mostly Cloudy | Mostly Cloudy | Clearing | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain |
| POP: 40% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 AM PDT Fri Aug 28 2026 

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Issued: 402 AM PDT Fri Aug 28 2026
Discussion
...Today through Thursday...Upper-level troughing remains the dominant feature over the northeast Pacific, maintaining a cool air mass and persistent onshore flow across the region. While cloudier and cooler days remain in the forecast through the weekend, precipitation chances remain low, with most locations staying dry. Temperatures today look to top out in the upper 70s to low 80s across the interior, 60s along the coast and upper 60s to mid 70s for the Cascades.
This broad troughing...
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