average temperature boston october
48. 52. October in Boston is much cooler than previous months, and this is when people from more southerly areas flock to see the changing foliage that Autumn brings. T he average temperature reaches a high of 17 C (that's about 63 F) during the day but can dip as low as 8 C (about 46 F) at night.n Boston is much cooler than previous months, and this is when people from more southerly areas flock to see the changing foliage that Autumn brings. T he average temperature reaches a high of 17 C (that's about 63Â°F) during the day but can ... Read more.