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

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in (1013.7 mb)
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 5 Oct 2:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 68. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Clear, with a low around 49. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. West wind 3 to 7 mph.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light west wind becoming southwest 6 to 11 mph in the morning.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind around 8 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Southwest wind 8 to 11 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. West wind 5 to 7 mph.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 56. Light north wind.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 68. West wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
Clear, with a low around 49. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 59. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Clear, with a low around 49. West wind 3 to 7 mph.
Wednesday
Sunny, with a high near 63. Light west wind becoming southwest 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 67. Southwest wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 54. West wind 5 to 7 mph.
Friday
Sunny, with a high near 65. West wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 53. West wind around 6 mph.
Saturday
Sunny, with a high near 63. Northwest wind around 9 mph.
Saturday Night
Mostly clear, with a low around 51. West wind around 5 mph becoming north after midnight.
Sunday
Sunny, with a high near 62. Northeast wind 6 to 9 mph becoming south 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:
2:57 am EDT Oct 5, 2026
Forecast Valid:
3am EDT Oct 5, 2026-6pm EDT Oct 11, 2026
 
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Additional Resources

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