Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Mostly Cloudy

58°F

14°C

Humidity 72%
Wind Speed SW 6 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Patchy fog before 4pm, then patchy fog after 5pm.  Otherwise, partly sunny, with a high near 56. West wind 5 to 8 mph becoming calm.

    High: 56 °F

    Mostly Sunny
    then Patchy
    Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 10pm and 4am.  Patchy fog before 4am.  Otherwise, cloudy, with a low around 48. South wind 7 to 10 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog between 7am and 10am.  Otherwise, partly sunny, with a high near 54. Southwest wind 8 to 11 mph.

    High: 54 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Southwest wind around 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 4pm.  Partly sunny, with a high near 56. Southwest wind around 9 mph.  Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before midnight.  Mostly cloudy, with a low around 44. Northeast wind around 6 mph.  Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. Northeast wind around 7 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. East wind 5 to 7 mph becoming south after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 10am.  Mostly cloudy, with a high near 54. South wind 10 to 14 mph.  Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 4pm, then patchy fog after 5pm. Otherwise, partly sunny, with a high near 56. West wind 5 to 8 mph becoming calm.
Tonight
A chance of showers and thunderstorms, mainly between 10pm and 4am. Patchy fog before 4am. Otherwise, cloudy, with a low around 48. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 54. Southwest wind 8 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 47. Southwest wind around 10 mph.
Friday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 56. Southwest wind around 9 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 51. Northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 45. East wind 5 to 7 mph becoming south after midnight.
Sunday
A chance of showers after 10am. Mostly cloudy, with a high near 54. South wind 10 to 14 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. West wind 14 to 17 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 48. West wind around 17 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 37. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 48. West wind around 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
2:29 am EDT Apr 15, 2026
9am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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