Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 19°C. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Sunday
27th Sep
19

16

2

5
Monday
28th Sep
18

15

0

2
Tuesday
29th Sep
16

14

0

3
Wednesday
30th Sep
17

14

5

4
Thursday
1st Oct
18

15

10

4

5-day weather forecast updated at 04:01 on Sunday 27th September 2026 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 Sunday 27th September 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 27 kph from the east.

19
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
82
% chance of some rain
<20
mm of rainfall expected
19
°C wind chill
27
kph wind from E

Nantucket weather for Monday 28th September 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 14 kph from the east.

18
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
45
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
14
kph wind from E

Nantucket weather for Tuesday 29th September 2026

Expect mostly cloudy with light rain in Nantucket, Massachusetts with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a light breeze of 11 kph from the north-west.

16
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
32
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
kph wind from NW

Nantucket weather for Wednesday 30th September 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-west.

17
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
6
kph wind from SW

Nantucket weather for Thursday 1st October 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.