Nantucket weather live forecast

Today's maximum temperature in Nantucket is expected to be 73°F. Select a day from the live weather forecast for Nantucket, Massachusetts, USA for more weather parameters.

Monday
20th Jul
73

64

14

8
Tuesday
21st Jul
75

64

9

7
Wednesday
22nd Jul
75

68

5

2
Thursday
23rd Jul
73

64

12

7
Friday
24th Jul
73

64

15

2

5-day weather forecast updated at 04:01 on Monday 20th July 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 20th July 2026

Expect clear skies in Nantucket, Massachusetts with a maximum temperature of 73°F, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

73
°F maximum temperature
64
°F minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from S

Nantucket weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 75°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 13 mph from the south.

75
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
76
% chance of some rain
<2
mm of rainfall expected
75
°F wind chill
13
mph wind from S

Nantucket weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 75°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 30-40 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 15 mph from the south-west.

75
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
15
mph wind from SW

Nantucket weather for Thursday 23rd July 2026

Expect isolated thunderstorms in Nantucket, Massachusetts with a maximum temperature of 73°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a light breeze of 7 mph from the north.

73
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
12
hours of sunshine
7
UV index (High)
23
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
mph wind from N

Nantucket weather for Friday 24th July 2026

Expect clear skies in Nantucket, Massachusetts with a maximum temperature of 73°F, maximum UV of 2 (Low) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-east.