Massachusetts weather

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Below are the temperatures expected today at popular destinations in Massachusetts. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Massachusetts shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Massachusetts?

The hottest time of year in Boston, Massachusetts is normally July. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Which month has the most rain in Massachusetts?

In terms of rainfall, November is usually the wettest month in Boston, Massachusetts with 111mm on average. There are normally 11 days in November with some rain.

When is it sunniest in Massachusetts?

The sunniest time of year in Boston, Massachusetts is normally July with bright sunshine on average for 63% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in Massachusetts?

The sea is usually at its warmest in Boston, Massachusetts in August when the water temperature reaches 18°C.

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

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Compare Massachusetts weather with the USA

Below the Massachusetts weather chart shows average maximum daytime temperature for Massachusetts, USA (Boston) and the USA (Washington).

Maximum daytime temperature (°C)

Massachusetts, USA (Boston)

USA (Washington)

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

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Tropical storm risk: Massachusetts hurricane season

% of month affected by tropical storms

1.2%

1.7%

Jan

Feb

Mar

Apr

May

Jun

Jul

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Nov

Dec

The Massachusetts tropical storm risk chart above shows the hurricane season for Boston, Massachusetts. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms