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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fog

46°F

8°C

Humidity 96%
Wind Speed SW 12 G 22 mph
Barometer 29.43 in (996.9 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Wind Chill40°F (4°C)
Last update 29 Dec 10:52 am EST
Extended Forecast for

Northwest Harwich MA

  • Today

    Today: Rain. Areas of dense fog. High near 50. Southwest wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain and
    Areas Dense
    Fog

  • Tonight

    Tonight: A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am. Areas of fog before 8pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 10 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow and
    Areas Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 46 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 9 to 16 mph, with gusts as high as 41 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. Southwest wind around 11 mph, with gusts as high as 26 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly between 4am and 5am. Mostly cloudy, with a low around 19. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: A chance of snow showers before 7am. Partly sunny, with a high near 29. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 7 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. Areas of dense fog. High near 50. Southwest wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am. Areas of fog before 8pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 23. West wind 10 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 30. Breezy, with a west wind 15 to 20 mph, with gusts as high as 46 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 9 to 16 mph, with gusts as high as 41 mph.
Wednesday
Mostly cloudy, with a high near 35. Southwest wind around 11 mph, with gusts as high as 26 mph.
Wednesday Night
Snow showers likely, mainly between 4am and 5am. Mostly cloudy, with a low around 19. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
New Year's Day
A chance of snow showers before 7am. Partly sunny, with a high near 29. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 17. West wind around 7 mph.
Friday
Mostly sunny, with a high near 28. West wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 19. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 32. West wind 5 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 21. West wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 32. North wind 6 to 9 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
5:42 am EST Dec 29, 2025
Forecast Valid:
11am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Chance of Precipitation