Local Forecast for Boston, MA Currently 43.0°F HI: 57°F LO: 41°F Extended Forecast Overnight Showers likely. Patchy fog. Otherwise, cloudy, with a low around 41. Northwest wind around 14 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible. Sunday Showers likely, mainly before 7am. Cloudy, with a high near 57. Northwest wind 15 to 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. Sunday Night Mostly cloudy during the early evening, then gradual clearing, with a low around 45. Northwest wind 11 to 18 mph, with gusts as high as 28 mph. Memorial Day Sunny, with a high near 68. Northwest wind 10 to 16 mph. Monday Night Clear, with a low around 49. Northwest wind 5 to 9 mph. Tuesday Sunny, with a high near 71. Tuesday Night Partly cloudy, with a low around 54. Wednesday A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%. Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%. Thursday Partly sunny, with a high near 83. Thursday Night Mostly cloudy, with a low around 66. Friday Mostly sunny, with a high near 83. Friday Night Partly cloudy, with a low around 65.