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.

Fog

40°F

4°C

Humidity 100%
Wind Speed Vrbl 7 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 40°F (4°C)
Visibility 0.25 mi
Wind Chill35°F (2°C)
Last update 7 Mar 7:52 am EST
Extended Forecast for

East Harwich MA

  • Today

    Today: Patchy fog before 4pm. Otherwise, cloudy, with a high near 47. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain after 8pm. Patchy fog. Otherwise, cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of rain, mainly before 5pm. Patchy fog between 8am and noon. Otherwise, cloudy, with a high near 50. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light southwest wind.

    Low: 34 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 47. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Southwest wind 3 to 7 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 10am. Cloudy, with a high near 48. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Patchy fog before 4pm. Otherwise, cloudy, with a high near 47. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A chance of rain after 8pm. Patchy fog. Otherwise, cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, mainly before 5pm. Patchy fog between 8am and noon. Otherwise, cloudy, with a high near 50. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light southwest wind.
Monday
Sunny, with a high near 47. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 36. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 49. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 5 mph.
Wednesday
A chance of rain after 10am. Cloudy, with a high near 48. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 36. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 47. Southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 25. West wind around 10 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 39. West wind around 9 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:
7:57 am EST Mar 7, 2026
Forecast Valid:
8am EST Mar 7, 2026-6pm EDT Mar 13, 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