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

56°F

13°C

Humidity 97%
Wind Speed N 9 G 20 mph
Barometer 29.71 in (1006.1 mb)
Dewpoint 55°F (13°C)
Visibility 1.50 mi
Last update 12 Oct 7:52 am EDT
Extended Forecast for

East Harwich MA

  • Columbus Day

    Columbus Day: Patchy fog before 11am. Otherwise, partly sunny, with a high near 63. North wind 10 to 13 mph.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Calm wind becoming northeast 5 to 9 mph after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 66. East wind around 11 mph. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 57. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly sunny, with a high near 68. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 52. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 10 to 13 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 4am. Partly cloudy, with a low around 49. Light and variable wind becoming northeast around 5 mph in the evening. Chance of precipitation is 30%.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 9am. High near 66. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers

Detailed Forecast

Columbus Day
Patchy fog before 11am. Otherwise, partly sunny, with a high near 63. North wind 10 to 13 mph.
Tonight
Increasing clouds, with a low around 53. Calm wind becoming northeast 5 to 9 mph after midnight.
Tuesday
A slight chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 66. East wind around 11 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 57. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 68. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 52. Northwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 60. North wind 10 to 13 mph.
Thursday Night
A chance of showers after 4am. Partly cloudy, with a low around 49. Light and variable wind becoming northeast around 5 mph in the evening. Chance of precipitation is 30%.
Friday
Showers, mainly after 9am. High near 66. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 46. Breezy, with a west wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 56. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 42. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 57. Northwest wind 11 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.01°W (Elev. 49 ft)
Last Update:
2:12 am EDT Oct 12, 2026
Forecast Valid:
8am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation