Siasconset, Massachusetts Weather
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Weather Forecast for Siasconset, Massachusetts : Nantucket County
Issued: 2:22 am EDT Jul 2, 2025 Latitude: 41.2626228 Longitude: -69.9661245 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Independence Day Saturday Sunday Monday Tuesday
50% chance of thunderstorms on Today 40% chance of thunderstorms on Tonight 30% chance of rain on Thursday Sunny on Independence Day Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 30% chance of rain on Tuesday
High: 73°F Low: 64°F High: 75°F High: 75°F High: 75°F High: 76°F High: 76°F High: 76°F
Low: 65°F Low: 65°F Low: 66°F Low: 67°F Low: 68°F  
Thunderstorms Thunderstorms Rain Sunny Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
NANTUCKET - (KACK)
66°
Clear
Fog
as of 6:53 AM EDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 1/4 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
8 MPH
230° Southwest
Current Conditions at
CHATHAM - (KCQX)
72°
Cloudy
Mist
as of 6:52 AM EDST
Rel. Humidity: 94%
Dew Point: 70°F
Visibility: 6 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Broken at 10000ft, Solid Overcast at 12000ft
Current Conditions at
HYANNIS - (KHYA)
73°
Cloudy
as of 6:56 AM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Broken at 8000ft, Broken at 10000ft, Solid Overcast at 11000ft
Current Conditions at
MARTHAS VINEYARD - (KMVY)
70°
Mostly Cloudy
Mist
as of 6:53 AM EDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 6 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Scattered at 7000ft, Broken at 8500ft, Broken at 11000ft
50% chance of thunderstorms Today Today... A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a high near 73. Southwest wind around 11 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
40% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southwest wind 8 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Thursday Thursday... A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 65. Southwest wind 8 to 10 mph.
Sunny on Independence Day Independence Day... Sunny, with a high near 75. Northwest wind around 9 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 65. South wind around 6 mph becoming northwest after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 75. Northwest wind around 7 mph becoming southwest in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 66. Southwest wind around 9 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 76. Southwest wind 10 to 15 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 67. Southwest wind around 14 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 76. Southwest wind around 15 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 68. Southwest wind around 14 mph.
30% chance of rain Tuesday Tuesday... A chance of showers. Mostly sunny, with a high near 76. Southwest wind around 13 mph. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Siasconset, Massachusetts
Sunrise: 05:11 AM
Sunset: 8:17 PM
Civil Sunrise:04:38 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 03:55 AM
Nautical Sunset: 9:33 PM
Astro Sunrise: 03:04 AM
Astro Sunset: 10:24 PM
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