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

61°F

16°C

Humidity 81%
Wind Speed NW 5 mph
Barometer 29.71 in (1006.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 4:52 pm EDT
Extended Forecast for

Northwest Harwich MA

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Calm wind becoming northeast 5 to 8 mph after midnight.

    Low: 52 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers after 3pm. Cloudy, with a high near 67. East wind 9 to 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 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 59. South wind 9 to 11 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 around 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Northwest wind 5 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 noon. High near 67. South wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers, mainly before midnight. 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 then
    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Increasing clouds, with a low around 52. Calm wind becoming northeast 5 to 8 mph after midnight.
Tuesday
A slight chance of showers after 3pm. Cloudy, with a high near 67. East wind 9 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 59. South wind 9 to 11 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 around 11 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 51. Northwest wind 5 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 noon. High near 67. South wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Showers, mainly before midnight. 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
Mostly sunny, with a high near 56. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 39 mph.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 15 to 17 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 57. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 61. Southwest wind 7 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:04 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 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