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Current weather in Nantucket is broken clouds.

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Weather data for Nantucket is updated regularly with the latest available observations and forecasts.

Now · 3:25 AM

Nantucket Weather & Hourly Forecast

United States · Massachusetts · 02554

60°F

Mostly cloudy night

Feels like: 46°F

💧 Humidity 71% 🌡 Pressure 30.36 inHg 💨 Wind 26 mph 👁 Visibility 25.6 mi ☁ Clouds 66% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:27 AM 🌇 Sunset 6:37 PM

Hourly Forecast for Nantucket

Today

4:00 AM

Mostly cloudy night

60° 💧 None 💨 28 mph H 70%30.36 inHg

7:00 AM

Overcast

61° 💧 None 💨 29 mph H 71%30.39 inHg

10:00 AM

Overcast

60° 💧 0.001 in 💨 29 mph H 72%30.45 inHg

1:00 PM

Mostly cloudy

59° 💧 None 💨 31 mph H 75%30.42 inHg

4:00 PM

Partly cloudy

59° 💧 None 💨 30 mph H 73%30.42 inHg

7:00 PM

Mostly cloudy night

59° 💧 0.001 in 💨 30 mph H 72%30.42 inHg

10:00 PM

Overcast night

60° 💧 None 💨 31 mph H 70%30.42 inHg

Tomorrow

1:00 AM

Mostly cloudy night

59° 💧 None 💨 30 mph H 70%30.36 inHg

4:00 AM

Overcast night

59° 💧 None 💨 31 mph H 70%30.33 inHg

7:00 AM

Overcast

59° 💧 None 💨 33 mph H 68%30.33 inHg

10:00 AM

Overcast

59° 💧 None 💨 31 mph H 72%30.33 inHg

1:00 PM

Overcast

59° 💧 None 💨 31 mph H 70%30.30 inHg

4:00 PM

Mostly cloudy

59° 💧 None 💨 31 mph H 70%30.24 inHg

7:00 PM

Mostly clear night

59° 💧 None 💨 28 mph H 75%30.21 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 29 mph H 80%30.18 inHg

Friday

1:00 AM

Clear night

59° 💧 None 💨 28 mph H 77%30.12 inHg

Today

4:00 AM

Mostly cloudy night

60° 💧 None 💨 28 mph H 70%30.36 inHg

5:00 AM

Overcast night

61° 💧 None 💨 29 mph H 68%30.39 inHg

6:00 AM

Overcast night

61° 💧 None 💨 29 mph H 69%30.39 inHg

7:00 AM

Overcast

61° 💧 None 💨 29 mph H 71%30.39 inHg

8:00 AM

Overcast

61° 💧 None 💨 28 mph H 70%30.42 inHg

9:00 AM

Overcast

61° 💧 None 💨 30 mph H 71%30.42 inHg

10:00 AM

Overcast

60° 💧 0.000 in 💨 29 mph H 72%30.45 inHg

11:00 AM

Overcast

60° 💧 None 💨 29 mph H 74%30.45 inHg

12:00 PM

Overcast

60° 💧 0.000 in 💨 31 mph H 73%30.45 inHg

1:00 PM

Mostly cloudy

59° 💧 None 💨 31 mph H 75%30.42 inHg

2:00 PM

Mostly cloudy

59° 💧 None 💨 32 mph H 75%30.42 inHg

3:00 PM

Mostly cloudy

59° 💧 None 💨 32 mph H 74%30.42 inHg

4:00 PM

Partly cloudy

59° 💧 None 💨 30 mph H 73%30.42 inHg

5:00 PM

Overcast

59° 💧 None 💨 32 mph H 70%30.42 inHg

6:00 PM

Overcast

59° 💧 None 💨 32 mph H 71%30.42 inHg

7:00 PM

Mostly cloudy night

59° 💧 None 💨 30 mph H 72%30.42 inHg

8:00 PM

Mostly cloudy night

59° 💧 0.001 in 💨 31 mph H 74%30.42 inHg

9:00 PM

Mostly cloudy night

60° 💧 None 💨 30 mph H 72%30.42 inHg

10:00 PM

Overcast night

60° 💧 None 💨 31 mph H 70%30.42 inHg

11:00 PM

Overcast night

59° 💧 None 💨 31 mph H 71%30.39 inHg

Tomorrow

12:00 AM

Overcast night

59° 💧 None 💨 31 mph H 70%30.39 inHg

1:00 AM

Mostly cloudy night

59° 💧 None 💨 30 mph H 70%30.36 inHg

2:00 AM

Overcast night

59° 💧 None 💨 30 mph H 70%30.36 inHg

3:00 AM

Overcast night

59° 💧 None 💨 31 mph H 70%30.33 inHg

4:00 AM

Overcast night

59° 💧 None 💨 31 mph H 70%30.33 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 33 mph H 69%30.33 inHg

6:00 AM

Partly cloudy night

59° 💧 None 💨 31 mph H 69%30.33 inHg

7:00 AM

Overcast

59° 💧 None 💨 33 mph H 68%30.33 inHg

8:00 AM

Overcast

59° 💧 None 💨 33 mph H 68%30.33 inHg

9:00 AM

Overcast

59° 💧 None 💨 33 mph H 70%30.33 inHg

10:00 AM

Overcast

59° 💧 None 💨 31 mph H 72%30.33 inHg

11:00 AM

Overcast

59° 💧 None 💨 32 mph H 69%30.33 inHg

12:00 PM

Overcast

59° 💧 None 💨 30 mph H 72%30.30 inHg

1:00 PM

Overcast

59° 💧 None 💨 31 mph H 70%30.30 inHg

2:00 PM

Overcast

60° 💧 None 💨 31 mph H 69%30.27 inHg

3:00 PM

Overcast

59° 💧 None 💨 32 mph H 69%30.27 inHg

4:00 PM

Mostly cloudy

59° 💧 None 💨 31 mph H 70%30.24 inHg

5:00 PM

Mostly cloudy

59° 💧 None 💨 29 mph H 73%30.21 inHg

6:00 PM

Mostly sunny

59° 💧 None 💨 29 mph H 73%30.21 inHg

7:00 PM

Mostly clear night

59° 💧 None 💨 28 mph H 75%30.21 inHg

8:00 PM

Clear night

59° 💧 None 💨 28 mph H 75%30.21 inHg

9:00 PM

Partly cloudy night

59° 💧 None 💨 29 mph H 78%30.21 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 29 mph H 80%30.18 inHg

11:00 PM

Mostly cloudy night

59° 💧 None 💨 29 mph H 78%30.15 inHg

Friday

12:00 AM

Mostly cloudy night

59° 💧 None 💨 29 mph H 77%30.15 inHg

1:00 AM

Clear night

59° 💧 None 💨 28 mph H 77%30.12 inHg

2:00 AM

Mostly cloudy night

59° 💧 None 💨 27 mph H 78%30.12 inHg

3:00 AM

Clear night

59° 💧 None 💨 27 mph H 80%30.09 inHg

4:00 AM

Partly cloudy night

59° 💧 None 💨 27 mph H 79%30.09 inHg

5:00 AM

Partly cloudy night

60° 💧 None 💨 27 mph H 76%30.09 inHg

6:00 AM

Overcast night

60° 💧 None 💨 28 mph H 75%30.09 inHg

7:00 AM

Overcast

60° 💧 None 💨 27 mph H 78%30.09 inHg

8:00 AM

Overcast

59° 💧 None 💨 27 mph H 79%30.09 inHg

9:00 AM

Overcast

59° 💧 None 💨 28 mph H 78%30.09 inHg

10:00 AM

Mostly cloudy

59° 💧 None 💨 28 mph H 79%30.09 inHg

11:00 AM

Overcast

60° 💧 None 💨 28 mph H 81%30.09 inHg

12:00 PM

Mostly cloudy

60° 💧 None 💨 28 mph H 81%30.09 inHg

1:00 PM

Mostly cloudy

60° 💧 None 💨 29 mph H 81%30.09 inHg

2:00 PM

Partly cloudy

60° 💧 None 💨 27 mph H 81%30.09 inHg

3:00 PM

Mostly cloudy

60° 💧 None 💨 28 mph H 82%30.06 inHg

4:00 PM

Overcast

60° 💧 None 💨 27 mph H 81%30.06 inHg

5:00 PM

Overcast

60° 💧 None 💨 24 mph H 83%30.06 inHg

6:00 PM

Overcast

60° 💧 None 💨 24 mph H 85%30.06 inHg

7:00 PM

Overcast night

60° 💧 None 💨 24 mph H 86%30.06 inHg

8:00 PM

Overcast night

61° 💧 None 💨 27 mph H 77%30.06 inHg

11:00 PM

Light rain

61° 💧 None 💨 38 mph H 74%29.94 inHg

Saturday

2:00 AM

Moderate rain

61° 💧 None 💨 37 mph H 77%29.91 inHg

5:00 AM

Light rain

60° 💧 None 💨 41 mph H 82%29.83 inHg

8:00 AM

Light rain

60° 💧 None 💨 43 mph H 86%29.83 inHg

11:00 AM

Light rain

60° 💧 None 💨 46 mph H 87%29.77 inHg

2:00 PM

Light rain

60° 💧 None 💨 42 mph H 90%29.71 inHg

5:00 PM

Moderate rain

61° 💧 None 💨 40 mph H 92%29.65 inHg

8:00 PM

Light rain

62° 💧 None 💨 42 mph H 93%29.59 inHg

11:00 PM

Light rain

63° 💧 None 💨 39 mph H 93%29.53 inHg

Sunday

2:00 AM

Light rain

65° 💧 None 💨 28 mph H 95%29.50 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 24 mph H 92%29.53 inHg

8:00 AM

Mostly sunny

66° 💧 None 💨 24 mph H 88%29.56 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 21 mph H 89%29.59 inHg

2:00 PM

Overcast

66° 💧 None 💨 20 mph H 89%29.59 inHg

5:00 PM

Light rain

65° 💧 None 💨 16 mph H 92%29.59 inHg

8:00 PM

Moderate rain

65° 💧 None 💨 20 mph H 90%29.59 inHg

11:00 PM

Mostly cloudy night

65° 💧 None 💨 24 mph H 90%29.56 inHg

Monday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 27 mph H 85%29.50 inHg

5:00 AM

Overcast night

65° 💧 None 💨 38 mph H 91%29.44 inHg

8:00 AM

Overcast

63° 💧 None 💨 30 mph H 92%29.56 inHg

11:00 AM

Overcast

62° 💧 None 💨 26 mph H 92%29.65 inHg

2:00 PM

Partly cloudy

62° 💧 None 💨 24 mph H 89%29.65 inHg

8:00 PM

Mostly clear night

64° 💧 None 💨 16 mph H 95%29.56 inHg

Tuesday

2:00 AM

Overcast night

63° 💧 None 💨 15 mph H 90%29.65 inHg

8:00 AM

Overcast

62° 💧 None 💨 17 mph H 90%29.71 inHg

2:00 PM

Overcast

62° 💧 None 💨 14 mph H 90%29.80 inHg

8:00 PM

Partly cloudy night

62° 💧 None 💨 16 mph H 87%29.85 inHg

Wednesday

2:00 AM

Overcast night

62° 💧 None 💨 16 mph H 90%29.94 inHg

8:00 AM

Overcast

62° 💧 None 💨 11 mph H 91%30.00 inHg

2:00 PM

Mostly sunny

61° 💧 None 💨 14 mph H 91%30.06 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 16 mph H 87%30.09 inHg

Thursday

2:00 AM

Partly cloudy night

61° 💧 None 💨 12 mph H 86%30.12 inHg

8:00 AM

Sunny

61° 💧 None 💨 10 mph H 87%30.15 inHg

2:00 PM

Partly cloudy

61° 💧 None 💨 11 mph H 91%30.18 inHg

8:00 PM

Clear night

61° 💧 None 💨 6 mph H 92%30.18 inHg

Friday

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 92%30.18 inHg

8:00 AM

Sunny

61° 💧 None 💨 1 mph H 95%30.15 inHg

2:00 PM

Sunny

61° 💧 None 💨 2 mph H 95%30.15 inHg

8:00 PM

Clear night

60° 💧 None 💨 3 mph H 93%30.12 inHg

Saturday

2:00 AM

Clear night

62° 💧 None 💨 6 mph H 90%30.09 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 5 mph H 92%30.09 inHg

2:00 PM

Overcast

62° 💧 None 💨 6 mph H 93%30.09 inHg

8:00 PM

Partly cloudy night

62° 💧 None 💨 8 mph H 93%30.09 inHg

Sunday

2:00 AM

Clear night

63° 💧 None 💨 10 mph H 89%30.06 inHg

8:00 AM

Sunny

63° 💧 None 💨 13 mph H 91%30.00 inHg

2:00 PM

Sunny

64° 💧 None 💨 16 mph H 94%29.97 inHg

8:00 PM

Overcast night

65° 💧 None 💨 15 mph H 93%29.91 inHg

Monday

2:00 AM

Overcast night

66° 💧 None 💨 18 mph H 91%29.83 inHg

8:00 AM

Moderate rain

64° 💧 None 💨 13 mph H 96%29.71 inHg

2:00 PM

Partly cloudy

64° 💧 None 💨 12 mph H 97%29.68 inHg

8:00 PM

Overcast night

64° 💧 None 💨 13 mph H 99%29.62 inHg

Tuesday

2:00 AM

Mostly clear night

66° 💧 None 💨 17 mph H 87%29.65 inHg

8:00 AM

Sunny

64° 💧 None 💨 13 mph H 83%29.65 inHg

2:00 PM

Mostly cloudy

62° 💧 None 💨 10 mph H 84%29.68 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 14 mph H 82%29.68 inHg

Wednesday

2:00 AM

Clear night

63° 💧 None 💨 15 mph H 77%29.68 inHg

8:00 AM

Sunny

61° 💧 None 💨 11 mph H 78%29.65 inHg

2:00 PM

Partly cloudy

59° 💧 None 💨 15 mph H 86%29.68 inHg

In Nantucket and, more broadly, across the state of Massachusetts: This morning will start with mostly cloudy skies and mild temperatures ranging from 52 to 66 degrees Fahrenheit. Winds will be coming from the north at around 10 mph, with occasional gusts reaching up to 23 mph. As the day progresses into the afternoon, the cloud cover is expected to remain, but no precipitation is forecasted. Temperatures will stay mild, providing comfortable conditions for outdoor activities. Winds will continue at moderate speeds, with gusts still reaching around 23 mph. Overall, it looks like a relatively calm and cloudy day with no significant weather disturbances expected.

15-Day Weather Outlook for Nantucket

TomorrowTomorrow

Overcast 60°/59° 💧 None 💨 33 mph

Friday, Sep 25Fri Sep 25

Light rain 61°/59° 💧 0.183 in 💨 38 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 63°/60° 💧 0.681 in 💨 46 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 66°/65° 💧 0.485 in 💨 28 mph

Monday, Sep 28Mon Sep 28

Overcast 66°/62° 💧 1.969 in 💨 38 mph

Tuesday, Sep 29Tue Sep 29

Overcast 63°/62° 💧 0.030 in 💨 17 mph

Wednesday, Sep 30Wed Sep 30

Overcast 62°/61° 💧 0.008 in 💨 16 mph

Thursday, Oct 1Thu Oct 1

Partly cloudy 61°/61° 💧 None 💨 12 mph

Friday, Oct 2Fri Oct 2

Sunny 61°/60° 💧 None 💨 4 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 62°/62° 💧 None 💨 8 mph

Sunday, Oct 4Sun Oct 4

Overcast 65°/63° 💧 None 💨 16 mph

Monday, Oct 5Mon Oct 5

Moderate rain 66°/64° 💧 0.536 in 💨 18 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 66°/62° 💧 None 💨 17 mph

Wednesday, Oct 7Wed Oct 7

Partly cloudy 63°/59° 💧 0.010 in 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Nantucket

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Nantucket

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 AM

PM2.5 Fine particles Good 3,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 16,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 66,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Nantucket

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,4Moderate 🙂Fair

Tomorrow UV 3,6Moderate 🙂Fair

Friday UV 0,8Low 🙂Fair

Saturday UV 0,7Low 🙂Fair

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 0,7 10:00 AMUV 1,2 11:00 AMUV 2,4 12:00 PMUV 4,1 1:00 PMUV 5,4 2:00 PMUV 4,6 3:00 PMUV 3,3 4:00 PMUV 1,6 5:00 PMUV 0,4 6:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Nantucket

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · NANTUCKET, MASSACHUSETTS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

44/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 78% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 64° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Nantucket were last refreshed today at 3:06 AM. The current forecast period extends through 25/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.