Boston July 21, 2021 11:59 pm Weather Forecast: Pleasant and Less Humid Wednesday night: Clearing. Lows around 60. Thursday: Pleasant, less humid air. Fair sky, chance of an afternoon sprinkle. Highs 75-80. US & World Videos 3:45 Forecast: Showers, areas of fog 3:45 Afternoon rains expected on Sunday 4:04 Afternoon clouds over the region on Saturday 3:24 Weather forecast: Highs in the 50s 3:43 Look out for showers this afternoon in Boston