Boston August 3, 2018 11:40 pm Weather Forecast: Localized Severe Weather Friday night: A break from downpours. Muggy. Lows in the mid 70s. Saturday: Heavy rain developing. Localized severe weather. Highs in the low 80s. Sunday: Sunny. Hot and humid. Highs around 90. US & World Videos 4:00 Overcast Saturday with scattered showers 2:55 Weather forecast: Cloudy with showers 3:14 Weather forecast: Partly cloudy, with temps around 70 2:38 Our region sees some sun today, with mild temperatures 3:16 Weather forecast: Highs in 60s