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.

A Few Clouds

54°F

12°C

Humidity 80%
Wind Speed Calm
Barometer 29.91 in (1013.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Apr 6:52 pm EDT
Extended Forecast for

East Harwich MA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 1am. Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, mainly before 7am. Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 58. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 43. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51. East wind around 7 mph.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 44. South wind 3 to 5 mph.

    Low: 44 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Cloudy, with a high near 55. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 1am. Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. South wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly before 7am. Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 58. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 43. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 51. East wind around 7 mph.
Saturday Night
Cloudy, with a low around 44. South wind 3 to 5 mph.
Sunday
Showers likely, mainly after 4pm. Cloudy, with a high near 55. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 49. Northwest wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind around 8 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 55. Southwest wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
6:33 pm EDT Apr 15, 2026
Forecast Valid:
7pm EDT Apr 15, 2026-6pm EDT Apr 22, 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