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

57°F

14°C

Humidity 64%
Wind Speed NE 14 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 19 Oct 2:56 pm EDT
Extended Forecast for

South Yarmouth MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. North wind 14 to 17 mph, with gusts as high as 39 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Northeast wind around 16 mph, with gusts as high as 36 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Northeast wind around 18 mph, with gusts as high as 34 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 10pm.  Mostly cloudy, with a low around 47. North wind 13 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 28 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. North wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. North wind around 16 mph, with gusts as high as 28 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. North wind 9 to 11 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 60. North wind 14 to 17 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Northeast wind around 16 mph, with gusts as high as 36 mph.
Wednesday
Partly sunny, with a high near 56. Northeast wind around 18 mph, with gusts as high as 34 mph.
Wednesday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 47. North wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 44. North wind 10 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 55. North wind around 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 44. North wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 55. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 45. Light west wind.
Sunday
Sunny, with a high near 59. Southwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 49. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 62. Southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Yarmouth MA
 41.67°N 70.2°W (Elev. 10 ft)
1:23 pm EDT Oct 19, 2026
3pm EDT Oct 19, 2026-6pm EDT Oct 26, 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