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

32°F

0°C

Humidity 64%
Wind Speed W 9 G 20 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 13 Mar 2:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Partly cloudy, with a low around 28. Northwest wind around 9 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. Northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of rain, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 33. South wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 33 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 6 to 9 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 43. Light and variable wind becoming east around 6 mph in the morning.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Southeast wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, mainly after 8am. High near 53. South wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 38. Breezy, with a south wind around 25 mph, with gusts as high as 48 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. Northwest wind around 9 mph, with gusts as high as 29 mph.
Friday
Increasing clouds, with a high near 44. Northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A chance of rain, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 33. South wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 46. West wind 11 to 15 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 6 to 9 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 43. Light and variable wind becoming east around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 34. Southeast wind 6 to 10 mph, with gusts as high as 24 mph.
Monday
Rain, mainly after 8am. High near 53. South wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 38. Breezy, with a south wind around 25 mph, with gusts as high as 48 mph. Chance of precipitation is 90%.
Tuesday
A chance of rain before 2pm. Partly sunny, with a high near 48. Southwest wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 36. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 27. Light southwest wind.
Thursday
Partly sunny, with a high near 39. Southeast wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:53 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation