August 19, 2017 5:40 pm Weather Forecast: Hot, Muggy Beach Day Ahead Tonight: Clear. Muggy. Lows in the upper 60s. Sunday: Sunny. Perfect beach day. Highs in the mid 80s. Monday: Wonderful weather for the eclipse. Highs in the upper 80s. US & World Videos 3:37 Forecast: More cold air, with snow in the forecast? 3:26 Chilly and Sunny Saturday in New England 3:47 Weather forecast: Cold weekend 3:21 Forecast: Frigid feel for the weekend 3:36 Forecast: Bundle up for frigid wind chills