forecast August 18, 2023 7:53 pm Weather forecast: Lows in the mid 60s Friday night: Clearing sky. Low in the mid 60s. Saturday: Increasing clouds and cool. A stray shower or two possible. High in the mid 70s. Sunday: Mostly sunny and warm. High in the low to mid 80s. US & World Videos 3:59 Boston, MA weather latest | Heavy rain pours down across the area 4:00 Forecast: Storm brings the possibility of flooding, damaging winds 3:05 Wet storm bringing rain, wind and warm temperatures 3:18 First Alert: High winds, heavy rain on Wednesday 3:22 Weather forecast: Wind, downpours and thunder