The weather for the 128th running of the Boston Marathon will feature bright and mild conditions.A sunny start to Monday is in the forecast. It will be a mild start to the day in Hopkinton with temperatures in the lower 50s.>> Download the free WMUR app to get updates on the go: Apple | Google Play <<As runners and spectators make their trek through Framingham, Wellesley and Newton, sunshine will mix with some fair weather clouds. Temperatures will warm into the 60s by the afternoon.>> Hour-by-hour forecastA northwesterly breeze will also develop, which will hold off a sea breeze for communities closer to the coast.It will remain dry and partly sunny as runners cross the finish line Monday afternoon. Temperatures will reach the mid 60s in Boston, but cooling off for post-race plans.