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

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

51°F

11°C

Humidity 52%
Wind Speed NE 6 mph
Barometer 30.54 in (1034.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 18 Oct 4:56 pm EDT
Extended Forecast for

East Dennis MA

  • Tonight

    Tonight: Clear, with a low around 42. East wind around 6 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 57. East wind 9 to 13 mph.

    High: 57 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Northeast wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Breezy, with a north wind around 21 mph, with gusts as high as 32 mph.

    High: 57 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Breezy, with a northeast wind around 23 mph, with gusts as high as 34 mph.

    Low: 49 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 33 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 9pm.  Mostly cloudy, with a low around 47. Breezy, with a northeast wind 18 to 22 mph.  Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers before 1pm.  Partly sunny, with a high near 56. Breezy, with a north wind 17 to 21 mph.  Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Breezy, with a north wind 11 to 16 mph increasing to 19 to 24 mph after midnight.

    Low: 47 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Clear, with a low around 42. East wind around 6 mph.
Monday
Increasing clouds, with a high near 57. East wind 9 to 13 mph.
Monday Night
Mostly cloudy, with a low around 49. Northeast wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday
Mostly cloudy, with a high near 57. Breezy, with a north wind around 21 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Breezy, with a northeast wind around 23 mph, with gusts as high as 34 mph.
Wednesday
Mostly cloudy, with a high near 56. Breezy, with a northeast wind 21 to 23 mph, with gusts as high as 33 mph.
Wednesday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 47. Breezy, with a northeast wind 18 to 22 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before 1pm. Partly sunny, with a high near 56. Breezy, with a north wind 17 to 21 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 47. Breezy, with a north wind 11 to 16 mph increasing to 19 to 24 mph after midnight.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind 21 to 24 mph.
Friday Night
Partly cloudy, with a low around 46. Breezy, with a north wind 17 to 21 mph.
Saturday
Mostly sunny, with a high near 53. North wind 13 to 17 mph.
Saturday Night
Mostly clear, with a low around 46. North wind 5 to 7 mph.
Sunday
Sunny, with a high near 57. Northwest wind around 8 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.75°N 70.15°W (Elev. 13 ft)
2:43 pm EDT Oct 18, 2026
5pm EDT Oct 18, 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