Average temperatures, rainfall and packing tips for Boston, United States in October
October in Boston is typically mild, with average daytime highs around 17°C and nights near 8°C. Temperature-wise it sits mid-range for Boston (the 6th warmest month).
Rainfall is light in October: roughly 27 mm across the whole month, typically the driest month of the year.
If your dates are flexible, the most comfortable months in Boston are usually May, June, July, August and September.
← Boston weather tomorrow (live)
In October, Boston averages a daytime high of about 17°C and a night-time low of around 8°C, based on recent historical data.
Rainfall is light in October: roughly 27 mm across the whole month, typically the driest month of the year.
October is a workable time to visit Boston, with mild days - just pack accordingly. If your dates are flexible, the most comfortable months in Boston are usually May, June, July, August and September.