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

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 30.03 in (1017.0 mb)
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 27 Jun 5:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 61. Light east wind.

    Low: 61 °F

    Patchy Fog

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Light southwest wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 9am. Mostly sunny, with a high near 87. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 61. Light east wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon.
Sunday Night
A slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 65. Light southwest wind.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers before 9am. Mostly sunny, with a high near 87. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 72. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 89. Southwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 73. Southwest wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 89. Northwest wind 5 to 7 mph becoming northeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
3:11 am EDT Jun 27, 2026
Forecast Valid:
6am EDT Jun 27, 2026-6pm EDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation