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Boston weather in October 2025
Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Boston in October. Check more long-term weather averages for Boston in October before you book your next holiday to Massachusetts in 2025/2026.
- 1717°C max day temperature
- 7 hours of sunshine per day
- 99 days with some rainfall
- 66°C min night temperature
- 1111 hours of daylight per day
- 0No heat & humidity
- 8787 mm of monthly rainfall
- 44 (Moderate) UV index
- 1313°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.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How warm is it in Boston in October?
Daytime temperatures usually reach 17°C in Boston in October, falling to 6°C at night.
How sunny is it in Boston in October?
There are normally 7 hours of bright sunshine each day in Boston in October - that's 59% of daylight hours.
How warm is the sea around Boston in October?
The average sea temperature around Boston in October is 13°C.
Does it rain in Boston in October?
There are usually 9 days with some rain in Boston in October and the average monthly rainfall is 87mm.
Boston October sunrise & sunset times
Browse the sunrise and sunset times for Boston in October 2025. Select a month to view Boston sunrise and sunset times for the next 12 months.
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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