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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

54°F

12°C

Humidity 87%
Wind Speed NE 10 G 22 mph
Barometer 30.18 in (1022.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 Oct 12:52 am EDT
Extended Forecast for

East Harwich MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. North wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Breezy, with a northeast wind 16 to 21 mph, with gusts as high as 40 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 38 mph.

    Low: 46 °F

    Increasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Northeast wind 16 to 18 mph, with gusts as high as 33 mph.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then a chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog before 9pm. Low around 46. Northeast wind 14 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 46 °F

    Heavy Rain
    and Patchy
    Fog then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 57. North wind 15 to 17 mph, with gusts as high as 33 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. North wind 15 to 17 mph, with gusts as high as 34 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 11am.  Mostly sunny, with a high near 51. North wind around 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. North wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. North wind 11 to 14 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 57. Breezy, with a northeast wind 16 to 21 mph, with gusts as high as 40 mph.
Tuesday Night
Increasing clouds, with a low around 46. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 38 mph.
Wednesday
Mostly cloudy, with a high near 54. Northeast wind 16 to 18 mph, with gusts as high as 33 mph.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 9pm. Low around 46. Northeast wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 57. North wind 15 to 17 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 41. North wind 15 to 17 mph, with gusts as high as 34 mph.
Friday
A chance of showers after 11am. Mostly sunny, with a high near 51. North wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 43. North wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 52. North wind around 10 mph.
Saturday Night
Mostly clear, with a low around 45. West wind around 6 mph.
Sunday
Sunny, with a high near 57. Southwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 7 mph.
Monday
Sunny, with a high near 60. Southwest wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.04°W (Elev. 52 ft)
1:38 am EDT Oct 20, 2026
1am EDT Oct 20, 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