Massachusetts weather in July

The state broadly agrees with itself in July: afternoons run 82° in Boston and 81° in Cape Cod, with everywhere else in between.

Based on 2 weather stations. Two stations — Boston and the Cape, where the ocean softens winter and holds spring back; the Berkshires out west run colder than both.

Boston

Highs near 82°, nights around 66°, and 3.3 in of rain in a typical July.

Place	Highs / lows	Wet days	The short version
Boston	82° / 66°	6	Humid stretches broken by whatever the ocean sends inland.

Cape Cod

Highs near 81°, nights around 65°, and 2.7 in of rain in a typical July.

Place	Highs / lows	Wet days	The short version
Cape Cod	81° / 65°	5	Everything peaks at once: the water, the crowds, the traffic.

Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.

Where to go in July, across the whole country ›