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

78°F

26°C

Humidity 74%
Wind Speed Vrbl 6 G 16 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 12:52 pm EDT
Extended Forecast for

Northwest Harwich MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind around 10 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers after 11pm. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 80. South wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable in the evening.

    Low: 66 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Partly sunny, with a high near 74. North wind 7 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 5am. Partly cloudy, with a low around 67. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am. Partly sunny, with a high near 78. West wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind around 10 mph.
Tonight
A slight chance of showers after 11pm. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 80. South wind 3 to 7 mph.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable in the evening.
Saturday
Partly sunny, with a high near 74. North wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 61. Light and variable wind.
Sunday
Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers after 5am. Partly cloudy, with a low around 67. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 8am. Partly sunny, with a high near 78. West wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 75. East wind 5 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66. Southeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 76. Southeast wind 7 to 10 mph. Chance of precipitation is 30%.
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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:
1:25 pm EDT Aug 27, 2026
Forecast Valid:
1pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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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