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.

Monday
21st Sep
19

16

1

4
Tuesday
22nd Sep
17

14

0

2
Wednesday
23rd Sep
18

14

2

2
Thursday
24th Sep
17

14

0

4
Friday
25th Sep
17

14

0

1

5-day weather forecast updated at 04:03 on Monday 21st 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 Monday 21st September 2026

Expect cloudy with some rain in Nantucket, Massachusetts with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 23 kph from the north-east.

19
°C maximum temperature
16
°C minimum temperature
cloudy with some rain
1
hour of sunshine
4
UV index (Moderate)
35
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
23
kph wind from NE

Nantucket weather for Tuesday 22nd September 2026

Expect overcast with light rain in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 24 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
39
% chance of some rain
<5
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 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-east.

18
°C maximum temperature
14
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
30
kph wind from NE

Nantucket weather for Thursday 24th September 2026

Expect overcast with light rain in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 34 kph from the north-east.

17
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
4
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
34
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 68% chance of some rain and a strong breeze of 40 kph from the north-east.