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.

Tuesday
22nd Sep
17

15

3

2
Wednesday
23rd Sep
17

14

5

4
Thursday
24th Sep
17

14

5

4
Friday
25th Sep
17

14

0

1
Saturday
26th Sep
18

14

0

1

5-day weather forecast updated at 04:01 on Tuesday 22nd 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 Tuesday 22nd September 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.

17
°C maximum temperature
15
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from NE

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 30 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
30
kph wind from NE

Nantucket weather for Thursday 24th September 2026

Expect mostly cloudy with light rain in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a fresh breeze of 33 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
43
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from NE

Nantucket weather for Friday 25th September 2026

Expect cloudy with some rain in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 75% chance of some rain and a strong breeze of 40 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
75
% chance of some rain
>50
mm or more of rainfall expected
0
no heat & humidity
40
kph wind from NE

Nantucket weather for Saturday 26th September 2026

Expect cloudy with some rain in Nantucket, Massachusetts with a maximum temperature of 18°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 67% chance of some rain and a strong breeze of 39 kph from the north.