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.

Fair

33°F

1°C

Humidity 52%
Wind Speed SW 6 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Dec 2:52 pm EST
Extended Forecast for

Northwest Harwich MA

  • Tonight

    Tonight: Rain, mainly after 11pm. Patchy fog after 5am. Temperature rising to around 41 by 5am. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F⇑

    Chance Rain
    then Rain and
    Patchy Fog

  • Monday

    Monday: Rain. Patchy fog before 7am. High near 49. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain showers likely before 11pm, then a slight chance of snow showers between 11pm and 1am. Partly cloudy, with a low around 23. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.

    High: 31 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind 11 to 15 mph, with gusts as high as 32 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after 8am. Mostly cloudy, with a high near 36. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • New Year's Day

    New Year's Day: A chance of snow. Partly sunny, with a high near 30. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly after 11pm. Patchy fog after 5am. Temperature rising to around 41 by 5am. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. Patchy fog before 7am. High near 49. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain showers likely before 11pm, then a slight chance of snow showers between 11pm and 1am. Partly cloudy, with a low around 23. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West wind 11 to 15 mph, with gusts as high as 32 mph.
Wednesday
A slight chance of snow after 8am. Mostly cloudy, with a high near 36. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
New Year's Day
A chance of snow. Partly sunny, with a high near 30. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of snow before 11am. Partly sunny, with a high near 30. West wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 21. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 35. West wind 5 to 8 mph.
Saturday Night
A chance of snow. Partly cloudy, with a low around 24. West wind around 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 35. West wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:58 pm EST Dec 28, 2025
Forecast Valid:
3pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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