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

60°F

16°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Jun 7:52 pm EDT
Extended Forecast for

Harwich Port MA

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southwest wind 11 to 13 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Southwest wind around 8 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Southwest wind around 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Southwest wind 8 to 14 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 64. Southwest wind 10 to 13 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 69. Southwest wind around 9 mph. Chance of precipitation is 60%.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. North wind 6 to 13 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 64. North wind 14 to 16 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind 6 to 8 mph.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Southwest wind 11 to 13 mph.
Friday
Mostly sunny, with a high near 75. Southwest wind around 8 mph.
Friday Night
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 72. Southwest wind 8 to 14 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 64. Southwest wind 10 to 13 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 69. Southwest wind around 9 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. North wind 6 to 13 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 64. North wind 14 to 16 mph.
Monday Night
Mostly clear, with a low around 54. North wind 6 to 8 mph.
Tuesday
Sunny, with a high near 66. North wind 8 to 11 mph.
Tuesday Night
Mostly clear, with a low around 57. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 68. Northwest wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 58. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 71. Southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Port MA
 41.67°N 70.08°W (Elev. 10 ft)
Last Update:
2:28 pm EDT Jun 4, 2026
Forecast Valid:
8pm EDT Jun 4, 2026-6pm EDT Jun 11, 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