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.

Light Rain

35°F

2°C

Humidity 85%
Wind Speed SE 10 mph
Barometer 30.51 in (1033.1 mb)
Dewpoint 31°F (-1°C)
Visibility 8.00 mi
Wind Chill27°F (-3°C)
Last update 3 Mar 1:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • This Afternoon

    This Afternoon: Rain. Patchy fog before 3pm. High near 42. Southeast wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 10pm. Low around 37. Southeast wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 41. West wind 5 to 9 mph becoming light northwest in the afternoon.

    High: 41 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 40. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 50%.

    High: 40 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 8pm. Cloudy, with a low around 38. East wind 7 to 14 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 9am. Cloudy, with a high near 40. Northeast wind 14 to 16 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 37. Northeast wind 6 to 10 mph.

    Low: 37 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 45. South wind 7 to 16 mph.

    High: 45 °F

    Cloudy

Detailed Forecast

This Afternoon
Rain. Patchy fog before 3pm. High near 42. Southeast wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 4am. Patchy fog after 10pm. Low around 37. Southeast wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 41. West wind 5 to 9 mph becoming light northwest in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 34. Light south wind.
Thursday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 40. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 50%.
Thursday Night
Rain likely, mainly after 8pm. Cloudy, with a low around 38. East wind 7 to 14 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 9am. Cloudy, with a high near 40. Northeast wind 14 to 16 mph. Chance of precipitation is 60%.
Friday Night
Cloudy, with a low around 37. Northeast wind 6 to 10 mph.
Saturday
Cloudy, with a high near 45. South wind 7 to 16 mph.
Saturday Night
A chance of rain after 9pm. Mostly cloudy, with a low around 42. Breezy, with a southwest wind 18 to 22 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 44. Southwest wind 8 to 15 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 44. Southwest wind 11 to 14 mph.
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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:
1:23 pm EST Mar 3, 2026
Forecast Valid:
2pm EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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Additional Resources

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Chance of Precipitation