TodayPartly sunny, with a high near 80. East wind 3 to 6 mph. TonightPatchy fog after midnight. Otherwise, increasing clouds, with a low around 68. Southeast wind around 6 mph becoming calm in the evening. SaturdayA slight chance of showers after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 20%.Saturday NightMostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. SundayPartly sunny, with a high near 82. Light southeast wind increasing to 5 to 9 mph in the morning. Sunday NightMostly cloudy, with a low around 67. South wind 3 to 7 mph. MondayA chance of showers after 3pm. Partly sunny, with a high near 84. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.Monday NightA chance of showers before 7pm. Mostly cloudy, with a low around 70. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.TuesdayMostly sunny and hot, with a high near 90. Light and variable wind becoming south around 6 mph in the morning. Tuesday NightPartly cloudy, with a low around 72. Southwest wind 3 to 5 mph. WednesdayMostly sunny and hot, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon. Wednesday NightMostly cloudy, with a low around 74. Southwest wind around 6 mph. ThursdayPartly sunny and hot, with a high near 91. South wind 6 to 9 mph. , Boston, MA Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days., Be prepared with the most accurate 10-day forecast for Boston, MA with highs, lows, chance of precipitation from The Weather Channel and Weather.com.