Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 4°C. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Wednesday
18th Feb
4

1

1

1
Thursday
19th Feb
3

1

7

3
Friday
20th Feb
3

1

0

2
Saturday
21st Feb
3

-1

2

2
Sunday
22nd Feb
2

-1

3

2

5-day weather forecast updated at 04:02 on Thursday 19th February 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 18th February 2026

Expect mostly cloudy with rain in Nantucket, Massachusetts with a maximum temperature of 4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a light breeze of 9 kph from the south-west.

4
°C maximum temperature
1
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
100
% chance of some rain
<20
mm of rainfall expected
1
°C wind chill
9
kph wind from SW

Nantucket weather for Thursday 19th February 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

3
°C maximum temperature
1
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
°C wind chill
8
kph wind from NE

Nantucket weather for Friday 20th February 2026

Expect mostly cloudy with rain in Nantucket, Massachusetts with a maximum temperature of 3°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 18 kph from the east.

3
°C maximum temperature
1
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
90
% chance of some rain
<20
mm of rainfall expected
-1
°C wind chill
18
kph wind from E

Nantucket weather for Saturday 21st February 2026

Expect mostly cloudy with light rain in Nantucket, Massachusetts with a maximum temperature of 3°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a light breeze of 12 kph from the north.

3
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
37
% chance of some rain
<2
mm of rainfall expected
0
°C wind chill
12
kph wind from N

Nantucket weather for Sunday 22nd February 2026

Expect broken clouds in Nantucket, Massachusetts with a maximum temperature of 2°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.