National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.52 in (1033.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Oct 2:56 am EDT
Extended Forecast for

East Dennis MA

  • Overnight

    Overnight: Clear, with a steady temperature around 44. East wind around 5 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 57. Northeast wind 8 to 13 mph.

    High: 57 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. Northeast wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. Northeast wind around 18 mph, with gusts as high as 32 mph.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Northeast wind around 18 mph, with gusts as high as 36 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 34 mph.

    High: 56 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 45. Northeast wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 56. North wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 56 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Breezy, with a north wind 10 to 20 mph, with gusts as high as 32 mph.

    Low: 45 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
Clear, with a steady temperature around 44. East wind around 5 mph.
Monday
Increasing clouds, with a high near 57. Northeast wind 8 to 13 mph.
Monday Night
Mostly cloudy, with a low around 46. Northeast wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly cloudy, with a high near 58. Northeast wind around 18 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Northeast wind around 18 mph, with gusts as high as 36 mph.
Wednesday
Mostly cloudy, with a high near 56. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 34 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45. Northeast wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 56. North wind 15 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 45. Breezy, with a north wind 10 to 20 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 54. Breezy, with a north wind 17 to 20 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 44. North wind 13 to 15 mph.
Saturday
Sunny, with a high near 54. North wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around 45. Light west wind.
Sunday
Sunny, with a high near 59. Southwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.73°N 70.15°W (Elev. 62 ft)
Last Update:
2:38 am EDT Oct 19, 2026
Forecast Valid:
3am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation