Boston weather by month › August
Boston in August: weather and what to expect
It’s fine, but not the best. May to June and September are more pleasant.
August weather in Boston
Daytime high83°F 29°C
Night low63°F 17°C
Rain3.6 in 91 mm
AirA little humid
SunSunny
In August, Boston averages highs of 83°F (29°C) and lows of 63°F (17°C), with 3.6 in (91 mm) of rain. The air feels a little humid and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light clothes and sun protection.
Places with the same weather in August
Match out of 100 for August, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec