Siletz Reservoir, OR Weather Forecast
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Siletz Reservoir Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Patchy Fog | Mostly Cloudy | Patchy Fog | Patchy Fog | Patchy Fog | Partly Sunny | Patchy Fog | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Rain | Chance of Rain |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C |
| POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 PM PDT Wed Aug 26 2026 

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Issued: 1030 PM PDT Wed Aug 26 2026
Discussion
...Now through Tuesday...Upper-level troughing over the northeast Pacific continues to shift northeastward towards British Columbia, with cooler air gradually spreading into the Pacific Northwest. This onshore wind pattern resulted in marine stratus funneling into the interior lowlands early this morning, but has already burned off inland as of noon, leaving just broken stratus along the coast. Temperatures will remain near seasonal norms today, with highs in the low 80s inland and 60s...
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