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.

Fair

75°F

24°C

Humidity 74%
Wind Speed S 9 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 3:52 pm EDT
Extended Forecast for

East Harwich MA

  • Tonight

    Tonight: A slight chance of showers after midnight. Mostly cloudy, with a low around 70. South wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76. South wind 3 to 8 mph.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Light and variable wind becoming northwest around 5 mph after midnight.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Partly sunny, with a high near 72. North wind 7 to 9 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. Southwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. West wind around 7 mph becoming northeast in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers after midnight. Mostly cloudy, with a low around 70. South wind 5 to 9 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 76. South wind 3 to 8 mph.
Friday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Light and variable wind becoming northwest around 5 mph after midnight.
Saturday
Partly sunny, with a high near 72. North wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 61. Light and variable wind.
Sunday
Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph.
Monday
Partly sunny, with a high near 78. West wind around 7 mph becoming northeast in the afternoon.
Monday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77. East wind 6 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. Southeast wind around 8 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 77. East wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.04°W (Elev. 52 ft)
Last Update:
2:36 pm EDT Aug 27, 2026
Forecast Valid:
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 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