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.

Mostly Cloudy

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Aug 8:52 pm EDT
Extended Forecast for

East Harwich MA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 7 to 10 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Northeast wind around 7 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 11pm and 3am. Partly cloudy, with a low around 63. Southwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 75. Northeast wind around 11 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Northeast wind 3 to 6 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Northeast wind around 7 mph.
Saturday Night
Mostly clear, with a low around 63. Light south wind.
Sunday
Sunny, with a high near 81. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers between 11pm and 3am. Partly cloudy, with a low around 63. Southwest wind around 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 75. Northeast wind around 11 mph.
Monday Night
Partly cloudy, with a low around 61. Northeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 75. East wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 61. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 76. East wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 61. Northeast wind around 8 mph.
Thursday
Mostly sunny, with a high near 76. North wind around 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.01°W (Elev. 59 ft)
Last Update:
12:20 pm EDT Aug 14, 2025
Forecast Valid:
9pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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