Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 45°F. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Thursday
18th Dec
45

37

9

1
Friday
19th Dec
52

36

0

0
Saturday
20th Dec
39

30

9

1
Sunday
21st Dec
46

28

5

1
Monday
22nd Dec
30

25

8

1

5-day weather forecast updated at 04:01 on Thursday 18th December 2025 GMT

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The 5-day weather forecast for Massachusetts (Nantucket) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Nantucket weather forecast by day

Below are the detailed weather forecasts for Nantucket for the next 5 days.

Nantucket weather for Thursday 18th December 2025

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 45°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south.

45
°F maximum temperature
37
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
12
mph wind from S

Nantucket weather for Friday 19th December 2025

Expect mostly cloudy with rain in Nantucket, Massachusetts with a maximum temperature of 52°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 24 mph from the south.

52
°F maximum temperature
36
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<20
mm of rainfall expected
52
°F wind chill
24
mph wind from S

Nantucket weather for Saturday 20th December 2025

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 39°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the west.

39
°F maximum temperature
30
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
28
°F wind chill
20
mph wind from W

Nantucket weather for Sunday 21st December 2025

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 46°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the west.

46
°F maximum temperature
28
°F minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
17
mph wind from W

Nantucket weather for Monday 22nd December 2025

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 30°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 16 mph from the north-west.