National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Light Rain

48°F

9°C

Humidity 89%
Wind Speed SE 10 mph
Barometer NA
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 3 Nov 4:53 pm EST
Extended Forecast for

Siasconset MA

Wind Advisory November 3, 10:00pm until November 4, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Rain likely. Patchy fog. Otherwise, cloudy, with a high near 57. South wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely
    and Patchy
    Fog

  • Tonight

    Tonight: Rain, mainly before 1am. Patchy fog before 11pm. Low around 46. Windy, with a south wind 10 to 15 mph becoming west 21 to 26 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Windy

  • Tuesday

    Tuesday: Sunny, with a high near 56. Breezy, with a west wind 22 to 25 mph, with gusts as high as 47 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 39 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. West wind 10 to 16 mph becoming southwest in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A chance of rain before 8am. Sunny, with a high near 55. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 55 °F

    Chance Rain
    and Breezy
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Northwest wind 7 to 15 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 59. West wind 6 to 14 mph becoming southwest in the afternoon.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain likely. Patchy fog. Otherwise, cloudy, with a high near 57. South wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 1am. Patchy fog before 11pm. Low around 46. Windy, with a south wind 10 to 15 mph becoming west 21 to 26 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Sunny, with a high near 56. Breezy, with a west wind 22 to 25 mph, with gusts as high as 47 mph.
Tuesday Night
Mostly clear, with a low around 46. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 39 mph.
Wednesday
Mostly sunny, with a high near 62. West wind 10 to 16 mph becoming southwest in the afternoon.
Wednesday Night
A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 45. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 8am. Sunny, with a high near 55. Breezy, with a northwest wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 39. Northwest wind 7 to 15 mph.
Friday
Partly sunny, with a high near 59. West wind 6 to 14 mph becoming southwest in the afternoon.
Friday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 49. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Saturday
Rain likely. Partly sunny, with a high near 60. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 43. Northwest wind 8 to 10 mph.
Sunday
A chance of rain. Partly sunny, with a high near 58. Northwest wind 8 to 13 mph becoming south in the afternoon. Chance of precipitation is 30%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43. South wind 11 to 13 mph becoming west after midnight. Chance of precipitation is 60%.
Monday
A chance of rain. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Siasconset MA
 41.27°N 70.03°W (Elev. 52 ft)
Last Update:
1:28 pm EST Nov 3, 2025
Forecast Valid:
5pm EST Nov 3, 2025-6pm EST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation