Get the monthly weather forecast for Boston, MA, including daily high/low, historical averages, to help you plan ahead.

In general, though, you should expect a mix of chilly-to-cold weather, more wind than you'd prefer, some sunny days, and rain. March is actually our rainiest ...

Temperatures improve considerably as the month goes on, with the average high only 5.3°C at the start of March and the average low -2.6°C. By the end of the ...

By the end of this month overnight low temperatures have warmed to the mid-30s F (2-3C) while afternoon highs often reach into the lower 50s F (10-11C).

In Boston during March average daily high temperatures increase from 42°F to 51°F and it is overcast or mostly cloudy about 53% of the time.

The weather in Boston in March is cold and breezy, with average highs of 43°F (6°C) and lows of 29°F (-2°C).

Get the monthly weather forecast for Downtown Boston, MA, including daily high/low, historical averages, to help you plan ahead.

Boston weather in March 2025. Expect 8°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Boston in March.

The average temperature during this month is around 35.6°F (converted from 2°C). On warmer days, the temperature can climb to about 44.6°F (7°C), providing a ...