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Warmest beach in Massachusetts in October

222 coastal locations in Massachusetts ranked by their typical October sea temperature. State-wide average in October: 15.9°C.

Warmest in October

Aquinnah

17.5°C

State October average

15.9°C

across 222 coastal locations in Massachusetts

Vs annual mean

+3.9°C

above the year-round state average

What the Massachusetts water feels like in October

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Massachusetts monthly average 3.8°C to 20.8°C
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  • Warmest month August 20.8°C
  • Coldest month February 3.8°C
  • Annual mean 12.0°C
  • Months above 20°C 2 of 12

Where October fits in the year

October sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Massachusetts sea temperature map (live)

Today's reading at every Massachusetts beach we track. The list below uses the typical October mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Massachusetts beaches in October

Sorted by typical October mean. Click any beach for the full location page.

# Location October mean
1 Aquinnah Massachusetts 17.5°C
2 Clarks Point, New Bedford, Buzzards Bay Massachusetts 17.4°C
3 Marion Center Massachusetts 17.4°C
4 Marion, Sippican Harbor, Buzzards Bay, Massachusetts Massachusetts 17.4°C
5 Mattapoisett, Mattapoisett Harbor, Buzzards Bay, Massachusetts Massachusetts 17.4°C
6 New Bedford, Buzzards Bay, Massachusetts Massachusetts 17.4°C
7 Round Hill Point, Buzzards Bay Massachusetts 17.4°C
8 South Dartmouth Massachusetts 17.4°C
9 West Island Massachusetts 17.4°C
10 Bliss Corner Massachusetts 17.3°C
11 Dartmouth Massachusetts 17.3°C
12 Fairhaven Massachusetts 17.3°C
13 Marion Massachusetts 17.3°C
14 Mattapoisett Massachusetts 17.3°C
15 New Bedford Massachusetts 17.3°C
16 Fall River Massachusetts 17.2°C
17 Horseneck Beach Massachusetts 17.2°C
18 Westport Massachusetts 17.2°C
19 Cuttyhunk, Massachusetts Massachusetts 17.2°C
20 Gay Head, Martha's Vineyard, Massachusetts Massachusetts 17.2°C
21 Kettle Cove Massachusetts 17.2°C
22 Menemsha Bight Massachusetts 17.2°C
23 Menemsha Harbor Massachusetts 17.2°C
24 Nomans Land, Martha's Vineyard, Massachusetts Massachusetts 17.2°C
25 Penikese Island, Buzzards Bay Massachusetts 17.2°C
Show 25 more ▸
26 Quicks Hole, North side, Massachusetts Massachusetts 17.2°C
27 Squibnocket Point, Martha's Vineyard, Massachusetts Massachusetts 17.2°C
28 Tarpaulin Cove Massachusetts 17.2°C
29 Fall River, Narragansett Bay Massachusetts 17.2°C
30 Ocean Grove Massachusetts 17.2°C
31 Steep Brook, Taunton River, Narragansett Bay, Rhode Island Massachusetts 17.2°C
32 Westport Harbor, Westport River, Massachusetts Massachusetts 17.2°C
33 Bourne Massachusetts 17.1°C
34 Buzzards Bay Massachusetts 17.1°C
35 East Falmouth Massachusetts 17.1°C
36 Falmouth Massachusetts 17.1°C
37 Monument Beach Massachusetts 17.1°C
38 North Falmouth Massachusetts 17.1°C
39 Old Silver Beach Massachusetts 17.1°C
40 Onset Massachusetts 17.1°C
41 Pocasset Massachusetts 17.1°C
42 South Cape Beach Massachusetts 17.1°C
43 Teaticket Massachusetts 17.1°C
44 West Falmouth Massachusetts 17.1°C
45 Weweantic Massachusetts 17.1°C
46 Woods Hole Massachusetts 17.1°C
47 Abiels Ledge Massachusetts 17.1°C
48 Barlows Landing Massachusetts 17.1°C
49 Cape Cod Canal, RR. bridge, Buzzards Bay Massachusetts 17.1°C
50 Cape Cod Canal (Sta. 320), Bourne Bridge, Cape Cod Bay Massachusetts 17.1°C

Coldest 10 in Massachusetts in October

Same data the other way.

# Location October mean
1 Merrimacport, Merrimack River Massachusetts 14.4°C
2 Plum Island, Merrimack River Entrance, Merrimack River Massachusetts 14.4°C
3 Riverside, Merrimack River Massachusetts 14.4°C
4 Salisbury Point, Merrimack River Massachusetts 14.4°C
5 Gloucester Massachusetts 14.5°C
6 Good Harbor Beach Massachusetts 14.5°C
7 Newburyport Massachusetts 14.5°C
8 Rockport Massachusetts 14.5°C
9 Salisbury Massachusetts 14.5°C
10 Wingaersheek Beach Massachusetts 14.5°C

Other US states

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