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

40°F

4°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 11:52 pm EDT
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 51. West wind around 6 mph becoming south in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 3am. Mostly cloudy, with a low around 36. North wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. North wind around 7 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Calm wind becoming southwest around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. Northwest wind 5 to 7 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Increasing clouds, with a high near 51. West wind around 6 mph becoming south in the afternoon.
Monday Night
A slight chance of showers before 3am. Mostly cloudy, with a low around 36. North wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 47. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. South wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 53. Northwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 40. Light and variable wind.
Friday
Mostly sunny, with a high near 52. Northeast wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 41. Light northeast wind.
Saturday
A chance of showers. Partly sunny, with a high near 52. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 53. East 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:
9:56 pm EDT Apr 19, 2026
Forecast Valid:
12am EDT Apr 20, 2026-6pm EDT Apr 26, 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