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Nantucket Weather

Nantucket 14 Days Forecast

24.10
sat

Day

52°F

S 10 mph

Precip.
4%

Night

54°F

NE 4 mph

Precip.
4%

25.10
sun

Day

54°F

N 4 mph

Precip.
5%

Night

55°F

NE 11 mph

Precip.
8%

26.10
mon

Day

55°F

NE 17 mph

Precip.
10%

Night

55°F

SE 12 mph

Precip.
10%

27.10
tue

Day

50°F

SW 22 mph

Precip.
5%

Night

48°F

SW 12 mph

Precip.
3%

28.10
wed

Day

50°F

SW 8 mph

Precip.
4%

Night

50°F

N 5 mph

Precip.
13%

29.10
thu

Day

54°F

NE 12 mph

Precip.
6%

Night

57°F

NE 19 mph

Precip.
12%

30.10
fri

Day

55°F

E 12 mph

Precip.
14%

Night

55°F

NE 14 mph

Precip.
11%

31.10
sat

Day

54°F

SW 12 mph

Precip.
8%

Night

54°F

N 6 mph

Precip.
19%

01.11
sun

Day

55°F

NE 11 mph

Precip.
17%

Night

57°F

NE 14 mph

Precip.
46%

02.11
mon

Day

57°F

N 13 mph

Precip.
71%

Night

57°F

E 2 mph

Precip.
24%

03.11
tue

Day

55°F

SE 6 mph

Precip.
34%

Night

55°F

SE 14 mph

Precip.
46%

04.11
wed

Day

50°F

NW 16 mph

Precip.
28%

Night

48°F

S 12 mph

Precip.
33%

05.11
thu

Day

48°F

SE 14 mph

Precip.
30%

Night

48°F

SE 16 mph

Precip.
13%

06.11
fri

Day

46°F

SE 12 mph

Precip.
11%

Night

46°F

SE 12 mph

Precip.
5%

sea water
temperature

Nantucket

monthly
weather

Nantucket

current
weather

Nantucket

7 days
forecast

Nantucket

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in October of 2026 was 60.2°F. The highest and lowest sea temperatures during the month were 62.4°F and 55.9°F.

Show year:

2025

2024

2023

The average sea water temperature in November of 2025 was 50.9°F. The highest and lowest sea temperatures during the month were 56.8°F and 46.9°F.