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Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Light Snow

36°F

2°C

Humidity 57%
Wind Speed NW 14 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 15 Mar 1:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

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

  • Overnight

    Overnight: Mostly clear, with a low around 34. Northwest wind around 18 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 43. North wind 8 to 11 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 5am. Increasing clouds, with a low around 38. Breezy, with a southeast wind 14 to 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Rain and
    Breezy

  • Monday

    Monday: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 8am. Patchy fog. High near 53. Breezy, with a south wind around 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Areas of fog before 9pm. Low around 36. Windy, with a south wind 22 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Rain and
    Areas Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 9am. Partly sunny, with a high near 43. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.

    High: 43 °F

    Breezy. Rain
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. West wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. Northwest wind 6 to 11 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 34. Northwest wind around 18 mph.
Sunday
Mostly sunny, with a high near 43. North wind 8 to 11 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain, mainly after 5am. Increasing clouds, with a low around 38. Breezy, with a southeast wind 14 to 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 8am. Patchy fog. High near 53. Breezy, with a south wind around 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain and possibly a thunderstorm. Areas of fog before 9pm. Low around 36. Windy, with a south wind 22 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 9am. Partly sunny, with a high near 43. Breezy, with a west wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 26. West wind 15 to 18 mph, with gusts as high as 29 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 6 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind around 6 mph.
Thursday
Partly sunny, with a high near 40. Southeast wind 7 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 35. Southeast wind around 7 mph.
Friday
Partly sunny, with a high near 42. Northeast wind 7 to 10 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 35. South wind 8 to 10 mph.
Saturday
A chance of rain. Partly sunny, with a high near 44. South wind 13 to 15 mph. Chance of precipitation is 50%.
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Forecast Area
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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:
1:06 am EDT Mar 15, 2026
Forecast Valid:
2am EDT Mar 15, 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