Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 16°C. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Monday
18th May
16

12

10

8
Tuesday
19th May
16

12

12

8
Wednesday
20th May
17

13

14

9
Thursday
21st May
15

11

1

8
Friday
22nd May
14

11

8

7

5-day weather forecast updated at 04:01 on Monday 18th 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 Monday 18th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

16
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
16
°C wind chill
14
kph wind from E

Nantucket weather for Tuesday 19th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Nantucket weather for Wednesday 20th May 2026

Expect sunshine and showers in Nantucket, Massachusetts with a maximum temperature of 17°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 22 kph from the south-west.

17
°C maximum temperature
13
°C minimum temperature
sunshine and showers
14
hours of sunshine
9
UV index (Very High)
57
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Nantucket weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Nantucket, Massachusetts with a maximum temperature of 15°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 16 kph from the north.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
8
UV index (Very High)
29
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
16
kph wind from N

Nantucket weather for Friday 22nd May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 14°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.