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.

Fog/Mist

68°F

20°C

Humidity 90%
Wind Speed SW 8 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 65°F (18°C)
Visibility 4.00 mi
Last update 19 Jun 11:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 85. Southwest wind 9 to 11 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 80. West wind 11 to 15 mph, with gusts as high as 30 mph.

    High: 80 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West wind 6 to 13 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind 5 to 8 mph becoming southwest in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 76. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Southwest wind around 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. South wind 6 to 10 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Partly sunny, with a high near 85. Southwest wind 9 to 11 mph.
Tonight
Mostly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 23 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 80. West wind 11 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 62. West wind 6 to 13 mph.
Saturday
Sunny, with a high near 79. West wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 76. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 63. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 78. South wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 65. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 81. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 66. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 80. Northwest wind 7 to 10 mph becoming northeast in the afternoon.
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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:
7:14 am EDT Jun 19, 2025
Forecast Valid:
12pm EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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