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

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Northwest Harwich MA

Winter Weather Advisory December 31, 07:00pm until January 1, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow before 5am, then snow, possibly mixed with rain. Low around 30. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow

  • New Year's Day

    New Year's Day: Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 24 by 5pm. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F⇓

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. West wind 14 to 16 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. West wind around 7 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 31. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 11am. Mostly cloudy, with a high near 33. North wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. Northwest wind around 6 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow before 5am, then snow, possibly mixed with rain. Low around 30. Southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.
New Year's Day
Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 24 by 5pm. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Mostly clear, with a low around 18. West wind 14 to 16 mph, with gusts as high as 31 mph.
Friday
Mostly sunny, with a high near 29. West wind 9 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 20. West wind around 7 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 31. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 23. West wind around 5 mph becoming calm in the evening.
Sunday
A chance of snow before 11am. Mostly cloudy, with a high near 33. North wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 19. Northwest wind around 6 mph.
Monday
Partly sunny, with a high near 31. Northwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 22. Southwest wind around 5 mph.
Tuesday
A chance of rain. Partly sunny, with a high near 38. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. South wind 5 to 8 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
12:58 pm EST Dec 31, 2025
Forecast Valid:
6pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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