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.

Wednesday
20th May
19

14

11

UV8
Thursday
21st May
16

11

2

UV2
Friday
22nd May
15

11

10

UV8
Saturday
23rd May
15

11

0

UV3
Sunday
24th May
15

11

7

UV8

5-day weather forecast updated at 04:01 on Wednesday 20th 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 Wednesday 20th May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 19°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 20 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
scattered clouds
11
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
20
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 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 16 kph from the north-east.

16
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV2
UV index (Low)
32
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
16
kph wind from NE

Nantucket weather for Friday 22nd May 2026

Expect scattered clouds in Nantucket, Massachusetts with a maximum temperature of 15°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 13 kph from the north-east.

15
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Nantucket weather for Saturday 23rd May 2026

Expect overcast with light rain in Nantucket, Massachusetts with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a light breeze of 12 kph from the east.

15
°C maximum temperature
11
°C minimum temperature
overcast with light rain
0
hours of sunshine
UV3
UV index (Moderate)
50
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
12
kph wind from E

Nantucket weather for Sunday 24th May 2026

Expect sunshine and showers in Nantucket, Massachusetts with a maximum temperature of 15°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 20-30 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 18 kph from the east.