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

68°F

20°C

Humidity 93%
Wind Speed E 3 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 8:52 am EDT
Extended Forecast for

East Harwich MA

  • Today

    Today: A chance of showers, mainly before 10am. Areas of fog before 3pm. Otherwise, cloudy, with a high near 75. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: A slight chance of showers between 11pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. Southwest wind 5 to 8 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 8 to 14 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Southwest wind 6 to 9 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Southwest wind 6 to 9 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southwest wind 5 to 7 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly before 10am. Areas of fog before 3pm. Otherwise, cloudy, with a high near 75. South wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 11pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 77. Southwest wind 5 to 8 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 67. Light southwest wind.
Tuesday
Sunny, with a high near 75. Southwest wind 8 to 14 mph.
Tuesday Night
Mostly clear, with a low around 66. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 75. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 80. Light southwest wind becoming south 5 to 10 mph in the morning.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 67. South wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 81. South wind 8 to 10 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 68. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 81. West wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
8:49 am EDT Aug 23, 2026
Forecast Valid:
9am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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