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

45°F

7°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Last update 22 Mar 11:52 pm EDT
Extended Forecast for

East Harwich MA

  • Overnight

    Overnight: Rain. Low around 38. West wind 7 to 10 mph becoming north. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain, possibly mixed with snow showers before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then a chance of snow showers after 2pm. High near 39. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of snow showers. Mostly cloudy, with a low around 33. North wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 40. North wind 5 to 7 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind around 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind 6 to 8 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. South wind 6 to 9 mph.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 5am. Cloudy, with a low around 37. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Rain. Low around 38. West wind 7 to 10 mph becoming north. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, possibly mixed with snow showers before 1pm, then a chance of rain and snow showers between 1pm and 2pm, then a chance of snow showers after 2pm. High near 39. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 33. North wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 40. North wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 46. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind 6 to 8 mph.
Thursday
Mostly cloudy, with a high near 49. South wind 6 to 9 mph.
Thursday Night
Rain likely, mainly after 5am. Cloudy, with a low around 37. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 7am. Partly sunny, with a high near 49. Southwest wind around 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 25. North wind around 8 mph.
Saturday
Mostly sunny, with a high near 37. North wind around 7 mph.
Saturday Night
Mostly clear, with a low around 27. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 43. Southwest wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.01°W (Elev. 59 ft)
Last Update:
3:45 pm EDT Mar 22, 2026
Forecast Valid:
12am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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