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.

Fair

55°F

13°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 16 Sep 4:53 am EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Today

    Today: Mostly sunny, with a high near 69. East wind 11 to 15 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. East wind around 11 mph.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. East wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 62. East wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Patchy fog before 11am. Otherwise, partly sunny, with a high near 72. East wind around 8 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight. Patchy fog. Otherwise, partly cloudy, with a low around 64. South wind around 7 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 73. West wind around 10 mph becoming north in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 11pm. Otherwise, mostly clear, with a low around 58. Northeast wind 7 to 15 mph.

    Low: 58 °F

    Patchy Fog
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Northeast wind 13 to 15 mph.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. East wind 11 to 15 mph.
Tonight
Mostly cloudy, with a low around 61. East wind around 11 mph.
Wednesday
A chance of showers, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. East wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 62. East wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers. Patchy fog before 11am. Otherwise, partly sunny, with a high near 72. East wind around 8 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers before midnight. Patchy fog. Otherwise, partly cloudy, with a low around 64. South wind around 7 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 73. West wind around 10 mph becoming north in the afternoon.
Friday Night
Patchy fog before 11pm. Otherwise, mostly clear, with a low around 58. Northeast wind 7 to 15 mph.
Saturday
Sunny, with a high near 66. Northeast wind 13 to 15 mph.
Saturday Night
Mostly clear, with a low around 57. East wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 67. Southeast wind 7 to 10 mph.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 59. South wind around 8 mph.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 70. South wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
3:21 am EDT Sep 16, 2025
Forecast Valid:
5am EDT Sep 16, 2025-6pm EDT Sep 22, 2025
 
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