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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

A Few Clouds

24°F

-4°C

Humidity 57%
Wind Speed N 5 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Dec 1:52 am EST
Extended Forecast for

North Eastham MA

  • Overnight

    Overnight: Partly cloudy, with a low around 19. Northwest wind 3 to 5 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between 8pm and 11pm, then a chance of rain after 11pm. Cloudy, with a temperature rising to around 40 by 2am. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 26 °F⇑

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain before 9am, then a chance of rain after 11am. Mostly cloudy, with a high near 51. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 51 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 4am. Mostly cloudy, with a low around 36. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 4pm. Mostly sunny, with a high near 45. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow after midnight. Mostly cloudy, with a low around 28. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of snow between 8pm and 11pm, then a chance of rain after 11pm. Cloudy, with a temperature rising to around 40 by 2am. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A slight chance of rain before 9am, then a chance of rain after 11am. Mostly cloudy, with a high near 51. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 36. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday
A slight chance of rain before 4pm. Mostly sunny, with a high near 45. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 27. West wind around 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 37. West wind 11 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 28. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before 8am, then a chance of rain and snow between 8am and 10am, then a chance of rain after 10am. Partly sunny, with a high near 40. West wind 10 to 14 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 35. West wind around 15 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 22. Northwest wind around 15 mph.
Monday
Partly sunny, with a high near 35. Northwest wind 11 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Eastham MA
 41.84°N 69.98°W (Elev. 43 ft)
Last Update:
9:58 pm EST Dec 8, 2025
Forecast Valid:
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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