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City of Sultan, WASultan, WA Weather Forecast
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| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 66°FHi: 19°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 53°FLo: 12°C | Hi: 73°FHi: 23°C | Lo: 51°FLo: 11°C | Hi: 77°FHi: 25°C | Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Fri Sep 04 2026 
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Issued: 308 AM PDT Fri Sep 4 2026
Aviation
... Variable flow aloft this morning as upper level low moves very slowly over W WA. Surface winds at most terminals also light and variable with speeds less than 5 kts. This looks to persist for most terminals, although some could see a shift to southerly winds this morning with speeds remaining light. Direction will shift to west or northwesterly this afternoon. Terminals on the east side of the Sound will see winds turn again more northerly in the evening. Speeds for all terminals wil...