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

41°F

5°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Jan 1:52 pm EST
Extended Forecast for

Northwest Harwich MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. Northwest wind around 6 mph becoming calm.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 1am and 3am. Patchy freezing fog after 3am. Otherwise, increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Freezing Fog
    and Patchy
    Fog

  • Friday

    Friday: Patchy freezing fog before 8am. Partly sunny, with a high near 47. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Patchy fog. Otherwise, cloudy, with a low around 37. South wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Rain likely, mainly after 3pm. Cloudy, with a high near 45. West wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 60%.

    High: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 35. East wind 3 to 6 mph. Chance of precipitation is 100%.

    Low: 35 °F

    Rain

  • Sunday

    Sunday: Rain. High near 43. Northwest wind 5 to 8 mph. Chance of precipitation is 80%.

    High: 43 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 1am, then a chance of snow between 1am and 3am. Mostly cloudy, with a low around 26. West wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday

    Monday: Sunny, with a high near 38. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 38 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. Northwest wind around 6 mph becoming calm.
Tonight
Patchy fog between 1am and 3am. Patchy freezing fog after 3am. Otherwise, increasing clouds, with a low around 29. Calm wind.
Friday
Patchy freezing fog before 8am. Partly sunny, with a high near 47. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Rain likely, mainly before 1am. Patchy fog. Otherwise, cloudy, with a low around 37. South wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain likely, mainly after 3pm. Cloudy, with a high near 45. West wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 35. East wind 3 to 6 mph. Chance of precipitation is 100%.
Sunday
Rain. High near 43. Northwest wind 5 to 8 mph. Chance of precipitation is 80%.
Sunday Night
A chance of rain before 1am, then a chance of snow between 1am and 3am. Mostly cloudy, with a low around 26. West wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
Sunny, with a high near 38. West wind 10 to 14 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 29. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 40. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 43. Southwest wind 6 to 9 mph.
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:
1:10 pm EST Jan 8, 2026
Forecast Valid:
2pm EST Jan 8, 2026-6pm EST Jan 14, 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