Weather Forecast for Nantucket
Massachusetts, United States of America
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Current Weather - Nantucket: 16°C
Current Weather - Nantucket: 16°C
Massachusetts, United States of America
Overcast
Feels like 7°C
Wind
48 km/h NE
Humidity
81%
Pressure
1021 mb
UV Index
0
Visibility
10 km
Overcast
Friday, September 25, 2026
High
16°C
Low
15°C
Rain Chance
90%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
75 km/h
Humidity
84%
Precipitation
13 mm
UV Index
1
Visibility
7 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
06:31 AM
Sunset
06:33 PM
Moonrise
05:59 PM
Moonset
05:26 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
11.2
μg/m³
PM10
18.1
μg/m³
NO₂
0.6
μg/m³
O₃
81.1
μg/m³
SO₂
0.3
μg/m³
CO
115.8
μg/m³
Light rain shower
Saturday, September 26, 2026
High
18°C
Low
14°C
Rain Chance
93%
Hourly Forecast
14°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
18°C
Day Statistics
Maximum Wind
78 km/h
Humidity
92%
Precipitation
24 mm
UV Index
1
Visibility
9 km
Rain Chance
93%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
06:31 PM
Moonrise
06:19 PM
Moonset
06:29 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
6.7
μg/m³
PM10
11.4
μg/m³
NO₂
0.6
μg/m³
O₃
74.5
μg/m³
SO₂
0.2
μg/m³
CO
107.6
μg/m³
Light rain shower
Sunday, September 27, 2026
High
18°C
Low
16°C
Rain Chance
92%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
17°C
16°C
17°C
17°C
Day Statistics
Maximum Wind
53 km/h
Humidity
95%
Precipitation
10 mm
UV Index
3
Visibility
10 km
Rain Chance
92%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
06:29 PM
Moonrise
06:40 PM
Moonset
07:33 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
9.3
μg/m³
PM10
16.3
μg/m³
NO₂
0.6
μg/m³
O₃
78.3
μg/m³
SO₂
0.2
μg/m³
CO
112
μg/m³
Light rain shower
Monday, September 28, 2026
High
17°C
Low
16°C
Rain Chance
94%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
44 km/h
Humidity
96%
Precipitation
13 mm
UV Index
2
Visibility
10 km
Rain Chance
94%
Snow Chance
0%
Sun & Moon
Sunrise
06:34 AM
Sunset
06:27 PM
Moonrise
07:05 PM
Moonset
08:39 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
9.4
μg/m³
PM10
15.9
μg/m³
NO₂
0.9
μg/m³
O₃
84.3
μg/m³
SO₂
0.4
μg/m³
CO
131.3
μg/m³
Patchy rain nearby
Tuesday, September 29, 2026
High
16°C
Low
15°C
Rain Chance
54%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
37 km/h
Humidity
84%
Precipitation
1 mm
UV Index
5
Visibility
10 km
Rain Chance
54%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
06:26 PM
Moonrise
07:34 PM
Moonset
09:48 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
6.3
μg/m³
PM10
10.3
μg/m³
NO₂
1.4
μg/m³
O₃
65.7
μg/m³
SO₂
0.5
μg/m³
CO
155.3
μg/m³
Overcast
Wednesday, September 30, 2026
High
18°C
Low
16°C
Rain Chance
22%
Hourly Forecast
16°C
16°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
22 km/h
Humidity
90%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
22%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
06:24 PM
Moonrise
08:11 PM
Moonset
10:58 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Sunny
Thursday, October 01, 2026
High
18°C
Low
17°C
Rain Chance
77%
Hourly Forecast
18°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
22 km/h
Humidity
88%
Precipitation
6 mm
UV Index
5
Visibility
10 km
Rain Chance
77%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
06:22 PM
Moonrise
08:57 PM
Moonset
12:08 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Weather Alerts
Storm Warning issued September 24 at 12:06PM EDT until September 26 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 7 to 10 feet expected. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...From 2 AM Friday to 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
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