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.

40°F

4°C

Humidity 93%
Wind Speed SW 13 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 38°F (3°C)
Visibility 8.00 mi
Wind Chill32°F (0°C)
Last update 14 Mar 7:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

Wind Advisory March 14, 10:00am until March 14, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Sunny, with a high near 44. Windy, with a west wind 25 to 31 mph, with gusts as high as 50 mph.

    High: 44 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 35. Breezy, with a northwest wind 16 to 24 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph becoming east in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Breezy, with a southeast wind 13 to 20 mph.

    Low: 39 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: Rain and possibly a thunderstorm. High near 52. Windy, with a south wind 26 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

    High: 52 °F

    Rain and
    Windy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 39. Windy, with a south wind 33 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.

    Low: 39 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: A chance of rain before 9am. Partly sunny, with a high near 45. Windy, with a southwest wind 29 to 32 mph. Chance of precipitation is 30%.

    High: 45 °F

    Windy. Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Windy, with a west wind 23 to 30 mph.

    Low: 28 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 35. Northwest wind 6 to 16 mph.

    High: 35 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 44. Windy, with a west wind 25 to 31 mph, with gusts as high as 50 mph.
Tonight
Mostly clear, with a low around 35. Breezy, with a northwest wind 16 to 24 mph.
Sunday
Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39. Breezy, with a southeast wind 13 to 20 mph.
Monday
Rain and possibly a thunderstorm. High near 52. Windy, with a south wind 26 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Monday Night
Rain and possibly a thunderstorm. Low around 39. Windy, with a south wind 33 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.
Tuesday
A chance of rain before 9am. Partly sunny, with a high near 45. Windy, with a southwest wind 29 to 32 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 28. Windy, with a west wind 23 to 30 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 6 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 40. Southeast wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 36. South wind around 9 mph.
Friday
Mostly sunny, with a high near 42. South wind around 10 mph.
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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:
3:06 am EDT Mar 14, 2026
Forecast Valid:
8am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation