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.

Overcast and Breezy

53°F

12°C

Humidity 86%
Wind Speed SW 22 G 32 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 13 Apr 11:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • This Afternoon

    This Afternoon: A slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A slight chance of showers before 10pm. Areas of fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 48. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers and
    Areas Fog
    then Areas
    Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 56. Southwest wind 9 to 11 mph.

    High: 56 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 47. Southwest wind around 15 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. West wind 9 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 47. Southwest wind 8 to 13 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 55. Southwest wind 7 to 10 mph becoming south in the morning.

    High: 55 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Southwest wind around 11 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. Southwest wind around 10 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers after 2pm. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 10pm. Areas of fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 48. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 56. Southwest wind 9 to 11 mph.
Tuesday Night
A slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 47. Southwest wind around 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 55. West wind 9 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 47. Southwest wind 8 to 13 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 55. Southwest wind 7 to 10 mph becoming south in the morning.
Thursday Night
Mostly cloudy, with a low around 47. Southwest wind around 11 mph.
Friday
Partly sunny, with a high near 56. Southwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 45. Southwest wind around 7 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 53. Northeast wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 46. South wind around 9 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 55. South wind 10 to 13 mph. Chance of precipitation is 30%.
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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:
4:55 am EDT Apr 13, 2026
Forecast Valid:
12pm EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation