Nantucket, Massachusetts Weather
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Weather Forecast for Nantucket, Massachusetts : Nantucket County
Issued: 2:30 am EDT Oct 19, 2025 Latitude: 41.2834563 Longitude: -70.0994605 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today 20% chance of rain on Tonight 100% chance of thunderstorms on Monday Sunny on Tuesday 80% chance of rain on Wednesday Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday
High: 63°F Low: 55°F High: 66°F High: 63°F High: 65°F High: 61°F High: 60°F High: 59°F
Low: 53°F Low: 55°F Low: 52°F Low: 50°F Low: 48°F  
Sunny Rain Thunderstorms Sunny Rain Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
NANTUCKET - (KACK)
52°
Clear
as of 5:53 AM EDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
MARTHAS VINEYARD - (KMVY)
Clear
as of 5:53 AM EDST
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HYANNIS - (KHYA)
43°
Clear
as of 5:56 AM EDST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
COAST GUARD AIR STA - (KFMH)
45°
Clear
as of 5:56 AM EDST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 63. South wind 6 to 13 mph.
20% chance of rain Tonight Tonight... A slight chance of showers after 3am. Mostly cloudy, with a low around 55. Southeast wind 13 to 17 mph. Chance of precipitation is 20%.
100% chance of thunderstorms Monday Monday... Showers and possibly a thunderstorm. Patchy fog before 5pm. High near 66. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
30% chance of rain Monday Night Monday Night... A chance of showers, mainly before 2am. Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 53. West wind around 14 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Sunny on Tuesday Tuesday... Sunny, with a high near 63. Southwest wind around 15 mph.
20% chance of rain Tuesday Night Tuesday Night... A slight chance of showers after 3am. Partly cloudy, with a low around 55. South wind around 10 mph. Chance of precipitation is 20%.
80% chance of rain Wednesday Wednesday... Showers. High near 65. South wind 11 to 15 mph. Chance of precipitation is 80%.
50% chance of rain Wednesday Night Wednesday Night... A chance of showers before midnight. Partly cloudy, with a low around 52. West wind 11 to 13 mph. Chance of precipitation is 50%.
Sunny on Thursday Thursday... Sunny, with a high near 61. Southwest wind 14 to 16 mph.
30% chance of rain Thursday Night Thursday Night... A chance of showers after 7pm. Mostly cloudy, with a low around 50. West wind 8 to 10 mph. Chance of precipitation is 30%.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 60. West wind 10 to 13 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 59. West wind around 9 mph.
Current Radar Image


Sun Almanac for Nantucket, Massachusetts
Sunrise: 06:57 AM
Sunset: 5:53 PM
Civil Sunrise:06:29 AM
Civil Sunset: 6:21 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 6:53 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 7:25 PM
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