Marcus, WA Weather Forecast
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Marcus Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Chance of Showers | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Hi: 77°FHi: 25°C Lo: 45°FLo: 7°C | Hi: 77°FHi: 25°C Lo: 45°FLo: 7°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C |
| POP: 50% | POP: 50% | POP: 40% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 328 AM PDT Fri Sep 04 2026 

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Issued: 414 AM PDT Fri Sep 4 2026
Key Messages
- Cool and showery weather expected through Labor Day Weekend with isolated thunderstorms.
- A warming and drying trend returns around the middle of next week.
Discussion
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Friday through Monday: An upper level low pressure system will spin over the Inland Northwest keeping temperatures seasonably cool and the weather active. The center of the low is situated over northwest Oregon. A deformation band forming on the eastern flank will swing across the Idaho Panhandle through early Friday m...
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