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

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 29.78 in (1008.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Oct 7:52 pm EDT
Extended Forecast for

Northwest Harwich MA

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Calm wind becoming northeast 5 to 9 mph after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers after 3pm. Cloudy, with a high near 67. East wind around 11 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly between 8pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 59. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. West wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Northwest wind 6 to 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 7am. High near 67. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 2am. Low around 45. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. Calm wind becoming northeast 5 to 9 mph after midnight.
Tuesday
A slight chance of showers after 3pm. Cloudy, with a high near 67. East wind around 11 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly between 8pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 59. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. West wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 51. Northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 60. North wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 48. Light and variable wind.
Friday
Showers, mainly after 7am. High near 67. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday Night
Showers, mainly before 2am. Low around 45. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Saturday
A chance of showers before 9am. Partly sunny, with a high near 56. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 56. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 61. Southwest wind 8 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.68°N 70.13°W (Elev. 10 ft)
Last Update:
7:37 pm EDT Oct 12, 2026
Forecast Valid:
8pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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