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

34°F

1°C

Humidity 89%
Wind Speed W 3 mph
Barometer 30.07 in (1018.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 5:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Today

    Today: A slight chance of rain after 3pm. Increasing clouds, with a high near 52. West wind around 7 mph. Chance of precipitation is 20%.

    High: 52 °F

    Sunny then
    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 1am. Mostly cloudy, with a low around 34. Light northwest wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. North wind around 7 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 3pm. Mostly cloudy, with a high near 49. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. North wind 3 to 6 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Light northwest wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Northeast wind around 6 mph.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain after 3pm. Increasing clouds, with a high near 52. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain before 1am. Mostly cloudy, with a low around 34. Light northwest wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 48. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 36. Light and variable wind.
Wednesday
A slight chance of showers before 3pm. Mostly cloudy, with a high near 49. South wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. Southeast wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 53. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 40. Light northwest wind.
Friday
Mostly sunny, with a high near 52. Northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 40. Light and variable wind.
Saturday
Mostly sunny, with a high near 51. North wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 41. Calm wind.
Sunday
A chance of showers. Partly sunny, with a high near 54. East wind 5 to 8 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.13°W (Elev. 36 ft)
Last Update:
2:29 am EDT Apr 20, 2026
Forecast Valid:
6am EDT Apr 20, 2026-6pm EDT Apr 26, 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