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 84%
Wind Speed SW 7 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Oct 10:52 pm EDT
Extended Forecast for

Harwich Port MA

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind around 7 mph.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Southwest wind 6 to 8 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. South wind 3 to 8 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 59. Southwest wind around 14 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 55. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 73. Southwest wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 74. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Monday
Sunny, with a high near 75. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 60. Southwest wind around 10 mph.
Tuesday
Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 59. Southwest wind around 14 mph. Chance of precipitation is 40%.
Wednesday
Showers. High near 71. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. North wind 11 to 14 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 61. North wind around 15 mph.
Thursday Night
Partly cloudy, with a low around 49. Northeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 64. Northeast wind 7 to 9 mph becoming east in the afternoon.
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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:
6:29 pm EDT Oct 3, 2025
Forecast Valid:
11pm EDT Oct 3, 2025-6pm EDT Oct 10, 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