The best time to visit Port Washington is during the summer months, from June to August, when the weather is warm and conducive to outdoor activities.During this period, the average daily temperatures range from the mid-60s to the low 80s Fahrenheit, making it ideal for enjoying the harbor, parks, and walking trails. Many local events and festivals are scheduled for the summer, offering visitors a chance to experience the community's offerings.Early autumn, specifically September and early October, also presents a pleasant time to visit, especially for couples. The temperatures are cooler, typically in the 50s and 60s, and the fall foliage along Lake Michigan and the Milwaukee River adds a scenic backdrop.