The 10-day weather forecast for Tulalip Bay, Washington, is expected to continue rain and snow showers throughout the day, with a more steady rain expected in the afternoon. The forecast includes a 90-per-hour period of rain, with predictions of around a quarter of an inch of rainfall. The weather will also be partly cloudy with rain showers in the evening. The outlook for the rest of the week is expected for rain, which is expected throughout the week.