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

40°F

4°C

Humidity 47%
Wind Speed NW 18 G 32 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 14 Mar 9:53 pm EDT
Extended Forecast for

3 Miles NNE Siasconset MA

High Wind Watch March 16, 05:00pm until March 17, 06:00am
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a low around 34. Breezy, with a west wind 16 to 24 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 43. North wind 7 to 9 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 3am. Increasing clouds, with a low around 39. Breezy, with a southeast wind 13 to 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 53. Windy, with a south wind 26 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers and
    Windy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 36. Windy, with a south wind 31 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 100%.

    Low: 36 °F

    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 42. Windy, with a west wind 26 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 42 °F

    Windy. Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Windy, with a west wind 20 to 26 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 34. Northwest wind 5 to 14 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Breezy, with a west wind 16 to 24 mph.
Sunday
Mostly sunny, with a high near 43. North wind 7 to 9 mph becoming southeast in the afternoon.
Sunday Night
A chance of showers, mainly after 3am. Increasing clouds, with a low around 39. Breezy, with a southeast wind 13 to 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 53. Windy, with a south wind 26 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 36. Windy, with a south wind 31 to 37 mph, with gusts as high as 60 mph. Chance of precipitation is 100%.
Tuesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 42. Windy, with a west wind 26 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 27. Windy, with a west wind 20 to 26 mph.
Wednesday
Sunny, with a high near 34. Northwest wind 5 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 30. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 40. Southeast wind around 11 mph.
Thursday Night
Mostly cloudy, with a low around 36. Southeast wind around 9 mph.
Friday
Mostly sunny, with a high near 41. South wind around 10 mph.
Friday Night
Partly cloudy, with a low around 36. West wind 10 to 14 mph.
Saturday
A chance of rain. Partly sunny, with a high near 42. Southwest wind around 17 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
2:52 pm EDT Mar 14, 2026
Forecast Valid:
10pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
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