Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

55°F

13°C

Humidity 64%
Wind Speed NE 18 G 32 mph
Barometer 30.45 in (1031.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 19 Oct 10:53 am EDT
Extended Forecast for

Siasconset MA

  • Today

    Today: Mostly cloudy, with a high near 58. Northeast wind around 18 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers after 1am.  Cloudy, with a low around 51. Breezy, with a north wind 14 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 20%.

    Low: 51 °F

    Cloudy then
    Slight Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. Windy, with a north wind 24 to 26 mph, with gusts as high as 41 mph.

    High: 59 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Windy, with a northeast wind 24 to 28 mph, with gusts as high as 44 mph.

    Low: 50 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm.  Partly sunny, with a high near 56. Windy, with a northeast wind 24 to 29 mph.  Chance of precipitation is 30%.

    High: 56 °F

    Partly Sunny
    and Windy
    then Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 52. Breezy, with a northeast wind around 25 mph.  Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A chance of showers before 9am.  Partly sunny, with a high near 56. Windy, with a north wind 21 to 28 mph.  Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers and
    Windy then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Breezy, with a north wind 16 to 24 mph.

    Low: 49 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a north wind 21 to 25 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 58. Northeast wind around 18 mph, with gusts as high as 28 mph.
Tonight
A slight chance of showers after 1am. Cloudy, with a low around 51. Breezy, with a north wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 59. Windy, with a north wind 24 to 26 mph, with gusts as high as 41 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Windy, with a northeast wind 24 to 28 mph, with gusts as high as 44 mph.
Wednesday
A chance of showers, mainly after 3pm. Partly sunny, with a high near 56. Windy, with a northeast wind 24 to 29 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Breezy, with a northeast wind around 25 mph. Chance of precipitation is 60%.
Thursday
A chance of showers before 9am. Partly sunny, with a high near 56. Windy, with a north wind 21 to 28 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 49. Breezy, with a north wind 16 to 24 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind 21 to 25 mph.
Friday Night
Partly cloudy, with a low around 48. Breezy, with a north wind 17 to 21 mph.
Saturday
Sunny, with a high near 54. Northeast wind 11 to 16 mph.
Saturday Night
Mostly clear, with a low around 50. North wind around 6 mph.
Sunday
Sunny, with a high near 57. West wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
10:07 am EDT Oct 19, 2026
11am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database