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.

Fair

22°F

-6°C

Humidity 55%
Wind Speed N 13 G 24 mph
Barometer 30.57 in (1035.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 2 Mar 5:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Mostly sunny, with a high near 27. North wind 10 to 15 mph becoming light northwest in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 17. Calm wind becoming south around 6 mph after midnight.

    Low: 17 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain and snow before noon, then rain likely. Increasing clouds, with a high near 43. South wind 8 to 14 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. Southeast wind 11 to 14 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Partly sunny, with a high near 41. West wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 3am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 42. South wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Cloudy, with a low around 36. East wind 6 to 10 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A chance of rain before 4pm. Cloudy, with a high near 40. Northeast wind 11 to 14 mph. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 27. North wind 10 to 15 mph becoming light northwest in the afternoon.
Tonight
Clear, with a low around 17. Calm wind becoming south around 6 mph after midnight.
Tuesday
A chance of rain and snow before noon, then rain likely. Increasing clouds, with a high near 43. South wind 8 to 14 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 36. Southeast wind 11 to 14 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 41. West wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of rain, mainly after 3am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 42. South wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.
Thursday Night
Rain likely, mainly after 4am. Cloudy, with a low around 36. East wind 6 to 10 mph. Chance of precipitation is 60%.
Friday
A chance of rain before 4pm. Cloudy, with a high near 40. Northeast wind 11 to 14 mph. Chance of precipitation is 50%.
Friday Night
Cloudy, with a low around 35. Northeast wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 45. Southeast wind 7 to 11 mph becoming southwest in the afternoon.
Saturday Night
A chance of rain. Cloudy, with a low around 39. Southwest wind 11 to 13 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Cloudy, with a high near 45. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
5:35 am EST Mar 2, 2026
Forecast Valid:
6am EST Mar 2, 2026-6pm EDT Mar 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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