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

18°F

-8°C

Humidity 81%
Wind Speed SW 3 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 4 Feb 12:52 am EST
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Partly cloudy, with a low around 20. Light west wind.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. West wind 5 to 9 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Northwest wind 3 to 7 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. Light north wind.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 29. West wind around 6 mph becoming calm in the afternoon.

    High: 29 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 18. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 18 °F

    Chance Snow
    then Snow
    Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 27. Northwest wind 6 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

    High: 27 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 8pm. Mostly cloudy, with a low around 6. Northwest wind 15 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    Low: 6 °F

    Snow Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Light west wind.
Wednesday
Mostly sunny, with a high near 29. West wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 19. Northwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 20. Light north wind.
Friday
Mostly cloudy, with a high near 29. West wind around 6 mph becoming calm in the afternoon.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 18. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 27. Northwest wind 6 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 6. Northwest wind 15 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 18. Northwest wind 10 to 14 mph, with gusts as high as 32 mph.
Sunday Night
Mostly cloudy, with a low around 6. Northwest wind around 10 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 22. Northwest wind around 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 13. Northwest wind around 9 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 28. Northwest wind 7 to 9 mph, with gusts as high as 20 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:
6:43 pm EST Feb 3, 2026
Forecast Valid:
12am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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