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Marion County Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | |  | | |  |  | | | | |
| Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Rain | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 AM PDT Sat Sep 26 2026 
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Issued: 1051 AM PDT Sat Sep 26 2026
Aviation
...Through 18Z Sunday...Primarily VFR conditions expected through the TAF period. At 1730z Sat, fog/low stratus is lingering in a few inland valleys, including around KPDX north to KSPB and KEUG. This fog is actively dissipating and should improve to VFR by 18-19z at the latest as winds increase and temperatures warm. A broken cloud deck will spread across the region after 21z Sat, remaining through most of the overnight hours. This is expected to clear over the area sometime on Sunday m...