Massachusetts weather in October 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Massachusetts in October. Check more long-term weather averages for Massachusetts in October before you book your next holiday to Massachusetts in 2025/2026.

  • 17°C maximum daytime temperature in October in Massachusetts (Boston)17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in October in Massachusetts (Boston)9
    9 days with some rainfall
  • 6°C minimum night-time temperature in October in Massachusetts (Boston)6
    6°C min night temperature
  • 11 hours of daylight per day in October in Massachusetts (Boston)11
    11 hours of daylight per day
  • No heat & humidity in October in Massachusetts (Boston)0
    No heat & humidity
  • 87 mm monthly rainfall in October in Massachusetts (Boston)87
    87 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Massachusetts (Boston)4
    4 (Moderate) UV index
  • 13°C sea temperature in October in Massachusetts (Boston)13
    13°C sea temperature

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The October weather guide for Massachusetts (Boston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Massachusetts destinations

Below are average maximum temperatures at popular countries, regions and places in Massachusetts in October. Select a holiday destination to see more weather parameters.

All Massachusetts destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How warm is it in Massachusetts in October?

Daytime temperatures usually reach 17°C in Boston, Massachusetts in October, falling to 6°C at night.

How sunny is it in Massachusetts in October?

There are normally 7 hours of bright sunshine each day in Boston, Massachusetts in October - that's 59% of daylight hours.

How warm is the sea around Massachusetts in October?

The average sea temperature around Boston, Massachusetts in October is 13°C.

Does it rain in Massachusetts in October?

There are usually 9 days with some rain in Boston, Massachusetts in October and the average monthly rainfall is 87mm.

Massachusetts October sunrise & sunset times

Browse the sunrise and sunset times for Massachusetts in October 2025. Select a month to view Massachusetts sunrise and sunset times for the next 12 months. The Massachusetts sunrise and sunset times shown below are for Boston.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:42 17:25
Thursday, 16th October 2025 05:59 17:00
Friday, 31st October 2025 06:17 16:38

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