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

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast and Breezy

37°F

3°C

Humidity 65%
Wind Speed S 24 G 36 mph
Barometer 30.33 in (1027.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Jan 7:53 pm EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Tonight

    Tonight: A slight chance of rain after 1am. Mostly cloudy, with a low around 33. South wind around 14 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 43. Southwest wind 14 to 17 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind around 15 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. West wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. Breezy, with a northwest wind around 21 mph, with gusts as high as 32 mph.

    Low: 12 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph.

    High: 18 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 3am. Mostly cloudy, with a low around 16. Northwest wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly after 8am. High near 31. Breezy, with a north wind 9 to 14 mph becoming east 15 to 20 mph in the afternoon. Chance of precipitation is 80%.

    High: 31 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow. Low around 26. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    Low: 26 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
A slight chance of rain after 1am. Mostly cloudy, with a low around 33. South wind around 14 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 43. Southwest wind 14 to 17 mph.
Thursday Night
Partly cloudy, with a low around 28. West wind around 15 mph.
Friday
Mostly sunny, with a high near 36. West wind 14 to 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 12. Breezy, with a northwest wind around 21 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 18. Blustery, with a northwest wind 14 to 20 mph.
Saturday Night
A chance of snow after 3am. Mostly cloudy, with a low around 16. Northwest wind 9 to 13 mph. Chance of precipitation is 30%.
Sunday
Snow, mainly after 8am. High near 31. Breezy, with a north wind 9 to 14 mph becoming east 15 to 20 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 26. Breezy, with a northeast wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 33. Northeast wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 17 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 27. West wind around 16 mph.
Tuesday Night
Partly cloudy, with a low around 20. West wind 15 to 17 mph.
Wednesday
Mostly sunny, with a high near 30. West wind around 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
3:12 pm EST Jan 21, 2026
Forecast Valid:
8pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
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