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.

Mostly Cloudy

40°F

4°C

Humidity 55%
Wind Speed S 7 G 18 mph
Barometer 30.29 in (1025.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Mar 1:52 pm EDT
Extended Forecast for

West Harwich MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 38. South wind around 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Calm wind becoming southwest around 6 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: A chance of rain before 8am. Partly sunny, with a high near 48. West wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. North wind around 5 mph becoming west after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. South wind 6 to 9 mph.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 37. Southwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 47. North wind 9 to 13 mph. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 38. South wind around 6 mph.
Tonight
Mostly clear, with a low around 32. Calm wind becoming southwest around 6 mph after midnight.
Friday
Sunny, with a high near 46. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 8am. Partly sunny, with a high near 48. West wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 36. North wind around 5 mph becoming west after midnight.
Sunday
Mostly cloudy, with a high near 46. South wind 6 to 9 mph.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 37. Southwest wind around 7 mph. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 47. North wind 9 to 13 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 29. Northwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 39. North wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 7 mph.
Wednesday
A chance of rain. Partly sunny, with a high near 43. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Harwich MA
 41.68°N 70.11°W (Elev. 10 ft)
Last Update:
1:11 pm EDT Mar 19, 2026
Forecast Valid:
2pm EDT Mar 19, 2026-6pm EDT Mar 25, 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