Looks like a North wind until Friday night (then turning West)!
Boston (NWS):
Late Afternoon: Rain likely. Areas of fog. Otherwise, cloudy, with a high around 51. North wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch possible.
Tonight: Periods of rain, mainly between 9pm and midnight. Areas of fog between 9pm and midnight. Low around 47. North wind between 9 and 14 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch possible.
Friday: A chance of showers, mainly before 3pm. Cloudy, with a high around 64. North wind between 7 and 10 mph. Chance of precipitation is 50%.
Friday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low near 52. West wind between 3 and 6 mph. Chance of precipitation is 30%.
Saturday: A chance of showers, mainly before 9am. Partly cloudy, with a high around 69. West wind between 8 and 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.