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.

Overcast

48°F

9°C

Humidity 96%
Wind Speed W 13 G 38 mph
Barometer 29.62 in (1003.0 mb)
Dewpoint 47°F (8°C)
Visibility 7.00 mi
Wind Chill43°F (6°C)
Last update 27 Mar 4:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Showers. Patchy fog. Steady temperature around 44. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly before 9am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 48. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. North wind 3 to 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. North wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Southwest wind 5 to 7 mph.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers. Patchy fog. Steady temperature around 44. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly before 9am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 48. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 27. North wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 36. North wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 44. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 36. Southwest wind around 8 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 50. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 38. Southwest wind 5 to 7 mph.
Tuesday
A chance of rain after 3pm. Partly sunny, with a high near 48. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 51. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41. West wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 52. West wind 9 to 11 mph, with gusts as high as 22 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:
2:50 am EDT Mar 27, 2026
Forecast Valid:
5am EDT Mar 27, 2026-6pm EDT Apr 2, 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