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.

Fair

30°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Feb 3:53 am EST
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Patchy flurries and freezing rain before 5am. Mostly cloudy, with a low around 30. North wind around 5 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Patchy Wintry
    Mix

  • Tuesday

    Tuesday: Patchy flurries and freezing rain between 7am and 8am. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 36 °F

    Patchy Wintry
    Mix then
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog before 8pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Patchy fog. Otherwise, cloudy, with a high near 37. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 37 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Patchy fog before 3am. Otherwise, cloudy, with a low around 30. North wind 6 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 35. North wind 6 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. East wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow before 11am, then a chance of rain between 11am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. East wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow, becoming all rain after 8pm. Cloudy, with a low around 30. East wind around 11 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 30 °F

    Rain/Snow
    Likely then
    Chance Rain

Detailed Forecast

Overnight
Patchy flurries and freezing rain before 5am. Mostly cloudy, with a low around 30. North wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Patchy flurries and freezing rain between 7am and 8am. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Patchy fog before 8pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. West wind around 6 mph.
Wednesday
Rain likely, mainly after 3pm. Patchy fog. Otherwise, cloudy, with a high near 37. West wind around 6 mph becoming east in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Patchy fog before 3am. Otherwise, cloudy, with a low around 30. North wind 6 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 35. North wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 30. East wind around 6 mph.
Friday
A chance of rain and snow before 11am, then a chance of rain between 11am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. East wind 6 to 10 mph. Chance of precipitation is 50%.
Friday Night
Rain likely, possibly mixed with snow, becoming all rain after 8pm. Cloudy, with a low around 30. East wind around 11 mph becoming northeast after midnight. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 36. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29. Northeast wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 35. Northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28. Northeast wind 13 to 15 mph. Chance of precipitation is 50%.
Monday
A chance of rain and snow. Partly sunny, with a high near 34. Northwest wind around 15 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
1:24 am EST Feb 17, 2026
Forecast Valid:
4am EST Feb 17, 2026-6pm EST Feb 23, 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