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

74°F

23°C

Humidity 97%
Wind Speed SW 5 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 9:52 am EDT
Extended Forecast for

East Harwich MA

  • Today

    Today: Patchy fog after 5pm. Otherwise, partly sunny, with a high near 81. Southwest wind 7 to 9 mph.

    High: 81 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tonight

    Tonight: Patchy fog before 8pm, then patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Southwest wind 6 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 71. Southwest wind around 7 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 82. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southwest wind 8 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. West wind 7 to 9 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68. North wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Northeast wind around 7 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Patchy fog after 5pm. Otherwise, partly sunny, with a high near 81. Southwest wind 7 to 9 mph.
Tonight
Patchy fog before 8pm, then patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 83. Southwest wind 6 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 71. Southwest wind around 7 mph.
Thursday
A slight chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 82. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 72. Southwest wind 8 to 10 mph.
Friday
Mostly sunny, with a high near 84. West wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 68. North wind around 5 mph.
Saturday
Sunny, with a high near 79. Northeast wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 67. Light and variable wind.
Sunday
Partly sunny, with a high near 81. South wind 5 to 8 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly sunny, with a high near 80. West wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.01°W (Elev. 59 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
10am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation