The best time to go to Grafton, Massachusetts, is during the autumn months, specifically from September to October, for pleasant weather and fall foliage, or in the summer from June to August, for warm weather and outdoor activities.Autumn in Grafton is particularly beautiful, with the surrounding New England landscape transforming into vibrant reds, oranges, and yellows. The temperatures are mild and comfortable for exploring, typically ranging from the low 50s to mid-60s Fahrenheit (10-18°C). This season is ideal for couples or solo travelers who appreciate scenic drives, apple picking at local orchards, or hiking the trails at Grafton Lakes State Park.Summer offers warmer temperatures, usually in the 70s and 80s Fahrenheit (21-29°C), which is superb for enjoying Grafton's outdoor attractions. Families will find this a great time for activities like swimming or boating at Silver Lake, visiting the Grafton Farmers Market, or exploring the Willard House and Clock Museum.