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

68°F

20°C

Humidity 65%
Wind Speed Vrbl 7 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 8:52 pm EDT
Extended Forecast for

Harwich Port MA

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind 9 to 13 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. North wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Showers. Patchy fog after 2pm. High near 68. Southeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers. Patchy fog before 8pm. Low around 48. Breezy, with a southwest wind 16 to 20 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, mainly before noon. Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Breezy, with a northwest wind 15 to 20 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Northwest wind 10 to 14 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southwest wind around 6 mph.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Northwest wind 9 to 13 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 57. North wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 48. Light and variable wind becoming southeast around 6 mph after midnight.
Friday
Showers. Patchy fog after 2pm. High near 68. Southeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Patchy fog before 8pm. Low around 48. Breezy, with a southwest wind 16 to 20 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.
Saturday
A chance of showers, mainly before noon. Partly sunny, with a high near 55. Breezy, with a northwest wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 41. Breezy, with a northwest wind 15 to 20 mph.
Sunday
Sunny, with a high near 54. Northwest wind 10 to 14 mph.
Sunday Night
Mostly clear, with a low around 46. Southwest wind around 6 mph.
Monday
Sunny, with a high near 59. South wind 9 to 14 mph.
Monday Night
Partly cloudy, with a low around 51. Southwest wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 61. West wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 51. West wind 5 to 7 mph becoming north after midnight.
Wednesday
Sunny, with a high near 59. Northeast wind 8 to 10 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:
8:54 pm EDT Oct 14, 2026
Forecast Valid:
9pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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