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/Mist

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.83 in (1010.2 mb)
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 4 Sep 7:52 am EDT
Extended Forecast for

East Harwich MA

  • Today

    Today: Patchy fog before noon. Otherwise, partly sunny, with a high near 74. Northwest wind 3 to 7 mph.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Light and variable wind becoming northwest 5 to 7 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. North wind 9 to 13 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. North wind 11 to 13 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. North wind 14 to 16 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Northwest wind 5 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 72. North wind 6 to 9 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. West wind around 8 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, partly sunny, with a high near 74. Northwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 65. Light and variable wind becoming northwest 5 to 7 mph after midnight.
Saturday
Mostly sunny, with a high near 69. North wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 61. North wind 11 to 13 mph.
Sunday
Mostly sunny, with a high near 68. North wind 14 to 16 mph.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 5 to 7 mph.
Labor Day
Sunny, with a high near 72. North wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 60. Southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 75. West wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 61. South wind around 6 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 74. South wind 7 to 11 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 78. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
2:06 am EDT Sep 4, 2026
Forecast Valid:
8am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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