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

71°F

22°C

Humidity 81%
Wind Speed SW 12 G 29 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Oct 11:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • This Afternoon

    This Afternoon: Sunny early, then becoming mostly cloudy, with a high near 73. Southwest wind around 14 mph, with gusts as high as 26 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 2am. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 57. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 64. North wind 8 to 10 mph.

    High: 64 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53. Northeast wind 3 to 5 mph.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. East wind 8 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 67. Light west wind increasing to 5 to 9 mph in the morning.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northwest wind 9 to 13 mph.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny early, then becoming mostly cloudy, with a high near 73. Southwest wind around 14 mph, with gusts as high as 26 mph.
Tonight
Showers likely, mainly between 11pm and 2am. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 57. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 64. North wind 8 to 10 mph.
Saturday Night
Clear, with a low around 53. Northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 63. East wind 8 to 10 mph.
Sunday Night
A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 67. Light west wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 48. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 60. Northwest wind 9 to 13 mph.
Tuesday Night
Clear, with a low around 48. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 60. Light and variable wind becoming west around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 64. Southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
11:59 am EDT Oct 2, 2026
Forecast Valid:
12pm EDT Oct 2, 2026-6pm EDT Oct 8, 2026
 
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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