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.

Rain Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed E 15 G 28 mph
Barometer 29.60 in (1002.4 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Wind Chill43°F (6°C)
Last update 2 Dec 6:53 pm EST
Extended Forecast for

2 Miles NNW Siasconset MA

  • Tonight

    Tonight: Rain, mainly before 3am. Low around 40. Windy, with a northeast wind 11 to 16 mph becoming north 23 to 28 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon.

    High: 44 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 38. North wind 8 to 13 mph becoming southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 32. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 44. East wind around 10 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Northwest wind 9 to 11 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 3am. Low around 40. Windy, with a northeast wind 11 to 16 mph becoming north 23 to 28 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 39. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 46. Breezy, with a west wind 14 to 20 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 23. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.
Friday
Mostly sunny, with a high near 38. North wind 8 to 13 mph becoming southwest in the afternoon.
Friday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 32. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 44. East wind around 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 35. Northwest wind 9 to 11 mph.
Sunday
Partly sunny, with a high near 41. Northwest wind 11 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 29. North wind around 14 mph.
Monday
Partly sunny, with a high near 35. North wind around 15 mph.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 14 to 16 mph.
Tuesday
Partly sunny, with a high near 38. West wind 13 to 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Siasconset MA
 41.31°N 70.02°W (Elev. 13 ft)
Last Update:
5:38 pm EST Dec 2, 2025
Forecast Valid:
7pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation