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.

Light Rain

38°F

3°C

Humidity 89%
Wind Speed Vrbl 3 mph
Barometer 29.73 in (1006.9 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Last update 12 Mar 6:52 pm EDT
Extended Forecast for

East Harwich MA

  • Tonight

    Tonight: Rain, snow, and sleet, becoming all snow after 10pm. Patchy fog between 8pm and 11pm. Low around 27. Northwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than one inch possible.

    Low: 27 °F

    Wintry Mix
    and Patchy
    Fog then Snow
    Likely

  • Friday

    Friday: Increasing clouds, with a high near 43. West wind 6 to 9 mph becoming southwest in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain, mainly between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 45. West wind 13 to 15 mph, with gusts as high as 36 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 7 to 9 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. Northwest wind around 6 mph becoming east in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 3am. Mostly cloudy, with a low around 34. Southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 53. South wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 35. South wind 13 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

Detailed Forecast

Tonight
Rain, snow, and sleet, becoming all snow after 10pm. Patchy fog between 8pm and 11pm. Low around 27. Northwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than one inch possible.
Friday
Increasing clouds, with a high near 43. West wind 6 to 9 mph becoming southwest in the afternoon.
Friday Night
A chance of rain, mainly between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 45. West wind 13 to 15 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 7 to 9 mph, with gusts as high as 29 mph.
Sunday
Mostly cloudy, with a high near 43. Northwest wind around 6 mph becoming east in the afternoon.
Sunday Night
A chance of rain after 3am. Mostly cloudy, with a low around 34. Southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 7am. High near 53. South wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 35. South wind 13 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 45. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 24. West wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 35. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 26. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 38. South wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
4:59 pm EDT Mar 12, 2026
Forecast Valid:
7pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation