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

71°F

22°C

Humidity 61%
Wind Speed N 8 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 30 Sep 12:52 pm EDT
Extended Forecast for

Harwich Port MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. Northeast wind 13 to 15 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Breezy, with a northeast wind 14 to 20 mph.

    Low: 54 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Breezy, with a northeast wind around 23 mph, with gusts as high as 38 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Breezy, with a northeast wind around 22 mph, with gusts as high as 36 mph.

    Low: 54 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 62. North wind 13 to 17 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. Southwest wind 6 to 9 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West wind around 8 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Southwest wind 8 to 10 mph.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. Northeast wind 13 to 15 mph.
Tonight
Partly cloudy, with a low around 54. Breezy, with a northeast wind 14 to 20 mph.
Wednesday
Mostly sunny, with a high near 64. Breezy, with a northeast wind around 23 mph, with gusts as high as 38 mph.
Wednesday Night
Partly cloudy, with a low around 54. Breezy, with a northeast wind around 22 mph, with gusts as high as 36 mph.
Thursday
Mostly sunny, with a high near 62. North wind 13 to 17 mph.
Thursday Night
Partly cloudy, with a low around 50. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 68. Southwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 56. West wind around 8 mph.
Saturday
Sunny, with a high near 72. Southwest wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 59. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 74. Southwest wind 8 to 11 mph.
Sunday Night
Mostly clear, with a low around 59. Southwest wind around 8 mph.
Monday
Sunny, with a high near 72. South wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Port MA
 41.67°N 70.08°W (Elev. 10 ft)
Last Update:
12:57 pm EDT Sep 30, 2025
Forecast Valid:
1pm EDT Sep 30, 2025-6pm EDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation