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Biddle Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Rain | Rain | Chance of T-Storm | Partly Cloudy | Partly Sunny | Mostly Cloudy | Partly Sunny |
| Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 50% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 PM PDT Mon Sep 21 2026 
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Issued: 534 PM PDT Mon Sep 21 2026
Aviation
...Through 00Z Wednesday...High clouds continue to stream across the region late this afternoon with mainly VFR conditions in place. Headed through the evening and overnight hours, expect a similar progression to past days with MVFR to IFR stratus developing along the coast between 00-06z before spreading through the coast range gaps and along the Columbia river into the metro and Willamette Valley between 08-12z Tuesday. However, compared to the past few nights/mornings, there`s slightl...