| Sat May 18 | Sun May 19 | Mon May 20 | Tue May 21 | |
| Tmin 18-06 |
10°C | 11°C | 11°C | 11°C |
| Tmax 06-18 |
15°C | 18°C | 20°C | 14°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Marysville | Distance |
| Lake Stevens | 8.3 km |
| Arlington | 13.1 km |
| Everett | 18.9 km |
| Everett | 19.4 km |
| Mukilteo | 20.1 km |
| Stanwood | 20.7 km |
| Snohomish | 27.8 km |
| Lynnwood | 29.2 km |
| Bothell | 29.8 km |
| Forecast: Marysville Region Initially, sunshine is expected. On Tuesday, increasingly cloudy and some rain is expected. From 20 degrees on Monday the daily high will go down to 14 degrees on Tuesday. |