Boston July 20, 2017 11:40 pm Weather Forecast: Friday Heat Thursday night: A few storms south. Muggy. Lows in the 60s and 70s. Friday: Partly cloudy. Highs in the 80s and 90s. Saturday: Partly cloudy. Highs in the 80s. US & World Videos 3:24 Weather forecast: Highs in the 50s 3:43 Look out for showers this afternoon in Boston 3:41 Cool air to linger over Boston into the weekend 3:17 Cooling back down, weekend turns wet in Boston 3:02 Dry and cooler in our region, with temps in the mid-50s