Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 14°C. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Saturday
16th May
14

10

13

8
Sunday
17th May
17

13

11

8
Monday
18th May
15

12

13

8
Tuesday
19th May
16

12

13

7
Wednesday
20th May
17

13

7

7

5-day weather forecast updated at 04:01 on Saturday 16th May 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 Saturday 16th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 14°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

14
°C maximum temperature
10
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
14
°C wind chill
21
kph wind from SW

Nantucket weather for Sunday 17th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

17
°C maximum temperature
13
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
17
°C wind chill
23
kph wind from SW

Nantucket weather for Monday 18th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 15°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

15
°C maximum temperature
12
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from S

Nantucket weather for Tuesday 19th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 16°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Nantucket weather for Wednesday 20th May 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.