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Nantucket MA Weather - Clear - 74°F
Clear
74°F
Updated 3:20 pm
Feels Like 78°F
Humidity 84%
Wind WSW 17 mph
Barometer  29.79 in
Dew Point 69°F
Nantucket MA Weather - Clear - 23°C
Clear
23°C
Updated 3:20 pm
Feels Like 25°C
Humidity 84%
Wind WSW 27 km/h
Barometer  100.9 kPa
Dew Point 21°C
Nantucket, MA Weather and Current Conditionsnantucket ma weather forecast

Nantucket, MA Weather Forecast

Nantucket Massachusetts WeatherNantucket, Massachusetts Weather Weather Forecast
14 day API forecast for Nantucket, Massachusetts. Note. The 7-day weather forecast for Nantucket, MA is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Nantucket, MA Weather Forecast Dated: 320 PM Thu Sep 10 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.

Thursday, September 10, 2026

Mid-Morning
Nantucket Weather - 2026-09-10 - Morning - Scattered Showers
74°F 23°C
Scattered Showers
Mid-Afternoon
Nantucket Weather - 2026-09-10 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Nantucket Weather - 2026-09-10 - Evening - Sunny
73°F 23°C
Sunny
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds easing from WSW 30 mph 49 km/h to W 17 mph 28 km/h. Gusts up to 25 mph 41 km/h.

Friday, September 11, 2026

Mid-Morning
Nantucket Weather - 2026-09-11 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Nantucket Weather - 2026-09-11 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-11 - Evening - Cloudy
65°F 18°C
Cloudy
Mildly cool near 67°F 19°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds tapering down from NNW 14 mph 23 km/h to S 6 mph 9 km/h.

Saturday, September 12, 2026

Mid-Morning
Nantucket Weather - 2026-09-12 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-12 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-12 - Evening - Sunny
68°F 20°C
Sunny
Comfortable at 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNW to the S at 11 mph 18 km/h.

Sunday, September 13, 2026

Mid-Morning
Nantucket Weather - 2026-09-13 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-13 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Nantucket Weather - 2026-09-13 - Evening - Sunny
70°F 22°C
Sunny
Mild temperatures up to 69°F 21°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with increasing humidity and barometric pressure falling. Winds swinging from the S to the WNW at 15 mph 24 km/h.

Monday, September 14, 2026

Mid-Morning
Nantucket Weather - 2026-09-14 - Morning - Partly Cloudy
70°F 21°C
Partly Cloudy
Mid-Afternoon
Nantucket Weather - 2026-09-14 - Afternoon - Partly Cloudy
65°F 18°C
Partly Cloudy
Early-Evening
Nantucket Weather - 2026-09-14 - Evening - Sunny
67°F 19°C
Sunny
Refreshing around 65°F 18°C, partly cloudy throughout the day, with lower humidity and barometric pressure rising. Winds shifting from the NNW to the ENE at 16 mph 26 km/h. Gusts up to 21 mph 34 km/h.

Tuesday, September 15, 2026

Mid-Morning
Nantucket Weather - 2026-09-15 - Morning - Partly Cloudy
65°F 18°C
Partly Cloudy
Mid-Afternoon
Nantucket Weather - 2026-09-15 - Afternoon - Sunny
65°F 19°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-15 - Evening - Sunny
67°F 19°C
Sunny
Mildly cool near 65°F 19°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the E to the SSW at 12 mph 20 km/h.

Wednesday, September 16, 2026

Mid-Morning
Nantucket Weather - 2026-09-16 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-16 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-16 - Evening - Sunny
71°F 22°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 17 mph 27 km/h. Gusts up to 26 mph 41 km/h.

Thursday, September 17, 2026

Mid-Morning
Nantucket Weather - 2026-09-17 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-17 - Afternoon - Scattered Showers
65°F 19°C
Scattered Showers
Early-Evening
Nantucket Weather - 2026-09-17 - Evening - Overcast
72°F 22°C
Overcast
Cool with a high near 65°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds moving from the NNE to the SW at 16 mph 26 km/h. Gusts up to 27 mph 44 km/h.

Friday, September 18, 2026

Mid-Morning
Nantucket Weather - 2026-09-18 - Morning - Light Showers
70°F 21°C
Light Showers
Mid-Afternoon
Nantucket Weather - 2026-09-18 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Nantucket Weather - 2026-09-18 - Evening - Overcast
68°F 21°C
Overcast
Mild temperatures up to 70°F 21°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds swinging from the SW to the NW at 16 mph 26 km/h. Gusts up to 22 mph 35 km/h.

Saturday, September 19, 2026

Mid-Morning
Nantucket Weather - 2026-09-19 - Morning - Partly Cloudy
56°F 14°C
Partly Cloudy
Mid-Afternoon
Nantucket Weather - 2026-09-19 - Afternoon - Sunny
58°F 14°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-19 - Evening - Sunny
58°F 15°C
Sunny
Mildly cool near 58°F 14°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds easing from NNW 17 mph 27 km/h to ESE 7 mph 10 km/h.

Sunday, September 20, 2026

Mid-Morning
Nantucket Weather - 2026-09-20 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-20 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-20 - Evening - Sunny
60°F 16°C
Sunny
Comfortable at 60°F 16°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure rising. Winds turning from the NW to the NE at 10 mph 17 km/h.

Monday, September 21, 2026

Mid-Morning
Nantucket Weather - 2026-09-21 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-21 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-21 - Evening - Overcast
62°F 17°C
Overcast
Cool with a high near 60°F 16°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds switching from the ENE to the SSW at 10 mph 16 km/h.

Tuesday, September 22, 2026

Mid-Morning
Nantucket Weather - 2026-09-22 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-22 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Nantucket Weather - 2026-09-22 - Evening - Sunny
63°F 17°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the S to the SE at 10 mph 16 km/h.

Wednesday, September 23, 2026

Mid-Morning
Nantucket Weather - 2026-09-23 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Nantucket Weather - 2026-09-23 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
Nantucket Weather - 2026-09-23 - Evening - Scattered Showers
63°F 17°C
Scattered Showers
Mildly cool near 63°F 17°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds building from NE at 16 mph 25 km/h to ESE at 25 mph 40 km/h. Gusts up to 28 mph 45 km/h.

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Weather by the Numbers

Thu, 10th
Nantucket MA Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 81°F 27°C
Lo: 71°F 22°C
Sunrise 06:16 AM
Sunset 06:58 PM
Wind WSW 24 mph39 km/h
Dew Point 71°F22°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 27% *
Humidity 83%
Fri, 11th
Nantucket MA Weather - Friday, Sep 11, 2026 - Partly Cloudy
Hi: 73°F 23°C
Lo: 65°F 18°C
Sunrise 06:17 AM
Sunset 06:56 PM
Wind NNE 10 mph16 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 6% *
Humidity 60%
Sat, 12th
Nantucket MA Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 68°F 20°C
Lo: 66°F 19°C
Sunrise 06:18 AM
Sunset 06:54 PM
Wind ESE 3 mph4 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 54%
Sun, 13th
Nantucket MA Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 71°F 22°C
Lo: 67°F 20°C
Sunrise 06:19 AM
Sunset 06:53 PM
Wind S 16 mph25 km/h
Dew Point 61°F16°C
uv Index 1
Barometric Pressure 30.24 in1024 mb
POP 8% *
Humidity 76%
Mon, 14th
Nantucket MA Weather - Monday, Sep 14, 2026 - Overcast
Hi: 72°F 22°C
Lo: 65°F 18°C
Sunrise 06:20 AM
Sunset 06:51 PM
Wind NE 27 mph43 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 24% *
Humidity 84%
Tue, 15th
Nantucket MA Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 67°F 20°C
Lo: 65°F 18°C
Sunrise 06:21 AM
Sunset 06:49 PM
Wind ESE 10 mph17 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.36 in1028 mb
POP 7% *
Humidity 63%
Wed, 16th
Nantucket MA Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 71°F 22°C
Lo: 68°F 20°C
Sunrise 06:22 AM
Sunset 06:48 PM
Wind SW 16 mph26 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 12% *
Humidity 84%
Thu, 17th
Nantucket MA Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 72°F 22°C
Lo: 62°F 17°C
Sunrise 06:23 AM
Sunset 06:46 PM
Wind NE 12 mph19 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 5% *
Humidity 68%
Fri, 18th
Nantucket MA Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 71°F 21°C
Lo: 65°F 18°C
Sunrise 06:24 AM
Sunset 06:44 PM
Wind WSW 21 mph33 km/h
Dew Point 69°F20°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 48% *
Humidity 94%
Sat, 19th
Nantucket MA Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 64°F 18°C
Lo: 56°F 13°C
Sunrise 06:25 AM
Sunset 06:42 PM
Wind NNW 16 mph26 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 5% *
Humidity 57%
Sun, 20th
Nantucket MA Weather - Sunday, Sep 20, 2026 - Partly Cloudy
Hi: 61°F 16°C
Lo: 58°F 15°C
Sunrise 06:26 AM
Sunset 06:41 PM
Wind NNW 13 mph20 km/h
Dew Point 44°F6°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 55%
Mon, 21st
Nantucket MA Weather - Monday, Sep 21, 2026 - Sunny
Hi: 62°F 17°C
Lo: 59°F 15°C
Sunrise 06:27 AM
Sunset 06:39 PM
Wind SE 4 mph6 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.39 in1029 mb
POP 2% *
Humidity 49%
Tue, 22nd
Nantucket MA Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 63°F 17°C
Lo: 62°F 17°C
Sunrise 06:28 AM
Sunset 06:37 PM
Wind SSE 11 mph17 km/h
Dew Point 53°F11°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 5% *
Humidity 69%
Wed, 23rd
Nantucket MA Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 63°F 17°C
Lo: 62°F 17°C
Sunrise 06:29 AM
Sunset 06:35 PM
Wind NNE 19 mph31 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 9% *
Humidity 80%
* POP = Probability of Precipitation. Data for 12:00 PM.