Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 17°C. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Wednesday
23rd Sep
17

14

5

4
Thursday
24th Sep
17

14

3

5
Friday
25th Sep
17

14

0

2
Saturday
26th Sep
17

14

0

2
Sunday
27th Sep
18

15

0

2

5-day weather forecast updated at 04:01 on Wednesday 23rd 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 Wednesday 23rd 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 a fresh breeze of 29 kph from the north-east.

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
29
kph wind from NE

Nantucket weather for Thursday 24th September 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
33
kph wind from NE

Nantucket weather for Friday 25th September 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 82% chance of some rain and a strong breeze of 42 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
82
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
42
kph wind from NE

Nantucket weather for Saturday 26th September 2026

Expect cloudy with some rain in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 88% chance of some rain and a strong breeze of 40 kph from the north.

17
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
88
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
40
kph wind from N

Nantucket weather for Sunday 27th September 2026

Expect cloudy with some rain in Nantucket, Massachusetts with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 33 kph from the north-east.