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

49°F

9°C

Humidity 74%
Wind Speed N 3 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Nov 10:52 pm EST
Extended Forecast for

West Harwich MA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. North wind 5 to 7 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after 4pm. High near 57. Southeast wind 6 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Mostly Sunny
    then Rain

  • Sunday Night

    Sunday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Breezy, with an east wind 10 to 20 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain Likely
    and Breezy

  • Monday

    Monday: Rain likely, mainly after 9am. Cloudy, with a high near 57. South wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 36. West wind 11 to 16 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Veterans Day

    Veterans Day: A slight chance of showers. Partly sunny, with a high near 44. Breezy, with a west wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Windy, with a west wind 23 to 31 mph.

    Low: 37 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of showers after 1pm. Mostly cloudy, with a high near 51. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 51 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight. Mostly cloudy, with a low around 42. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Breezy.
    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. North wind 5 to 7 mph.
Sunday
Rain likely, then rain and possibly a thunderstorm after 4pm. High near 57. Southeast wind 6 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Breezy, with an east wind 10 to 20 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely, mainly after 9am. Cloudy, with a high near 57. South wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 36. West wind 11 to 16 mph. Chance of precipitation is 50%.
Veterans Day
A slight chance of showers. Partly sunny, with a high near 44. Breezy, with a west wind 16 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 37. Windy, with a west wind 23 to 31 mph.
Wednesday
A chance of showers after 1pm. Mostly cloudy, with a high near 51. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before midnight. Mostly cloudy, with a low around 42. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 30%.
Thursday
A chance of showers after 4pm. Mostly sunny, with a high near 50. Breezy, with a west wind 18 to 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 38. Breezy, with a west wind 17 to 21 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 47. West wind around 17 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind 14 to 18 mph.
Saturday
Mostly sunny, with a high near 47. Northwest wind around 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Harwich MA
 41.66°N 70.11°W (Elev. 0 ft)
Last Update:
2:42 pm EST Nov 8, 2025
Forecast Valid:
11pm EST Nov 8, 2025-6pm EST Nov 15, 2025
 
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