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

30°F

-1°C

Humidity 38%
Wind Speed NW 8 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 9 Feb 3:52 pm EST
Extended Forecast for

Northwest Harwich MA

  • Tonight

    Tonight: Mostly clear, with a low around 17. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Calm wind becoming west around 5 mph.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 9pm. Low around 25. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: A chance of snow before 9am, then a chance of rain between 9am and 10am, then a slight chance of snow after 10am. Partly sunny, with a high near 36. West wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly between 3am and 5am. Mostly cloudy, with a low around 22. Northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 9am. Mostly cloudy, with a high near 32. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Northwest wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. Northwest wind 5 to 7 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind 3 to 6 mph.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 34. Calm wind becoming west around 5 mph.
Tuesday Night
Snow, mainly after 9pm. Low around 25. Calm wind becoming south around 5 mph in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A chance of snow before 9am, then a chance of rain between 9am and 10am, then a slight chance of snow after 10am. Partly sunny, with a high near 36. West wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of snow, mainly between 3am and 5am. Mostly cloudy, with a low around 22. Northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 9am. Mostly cloudy, with a high near 32. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 21. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 31. Northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 20. West wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 34. West wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 25. Light northwest wind.
Sunday
Partly sunny, with a high near 36. Light and variable wind becoming east 5 to 8 mph in the morning.
Sunday Night
A chance of rain and snow. Cloudy, with a low around 28. Southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Washington's Birthday
Rain likely. Mostly cloudy, with a high near 39. East wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:05 pm EST Feb 9, 2026
Forecast Valid:
4pm EST Feb 9, 2026-6pm EST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation