Weather WorldSetchfield Lake, WA Weather Forecast
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Setchfield Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Patchy Fog | Clear | Partly Sunny | Mostly Clear | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Sat Oct 03 2026 
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Issued: 835 AM PDT Sat Oct 3 2026
Aviation
... An upper-ridge is building across the region bringing west- southwesterly flow aloft. High cloud coverage is streaming overhead but not thick enough to discourage low clouds/fog development. As a result, LIFR/IFR fog/low stratus will continue this morning before conditions improve toward 19-20z to VFR as offshore flow increases. An additional round of low clouds/fog is in store overnight Saturday into Sunday morning.
KSEA...Surface wind will remain northerly through the period between...