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

69°F

21°C

Humidity 81%
Wind Speed SE 8 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Jul 1:52 pm EDT
Extended Forecast for

Harwich Port MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 75. Southeast wind around 9 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm after midnight.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 79 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70. Southwest wind around 6 mph.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Southwest wind 6 to 10 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. South wind 6 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 71. Southwest wind around 8 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 83. Southwest wind 9 to 13 mph.

    High: 83 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 75. Southeast wind around 9 mph.
Tonight
Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 70. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 81. Southwest wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 83. South wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 71. Southwest wind around 8 mph.
Thursday
Partly sunny, with a high near 83. Southwest wind 9 to 13 mph.
Thursday Night
A chance of showers after 3am. Mostly cloudy, with a low around 72. Southwest wind around 10 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 83. Southwest wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 70. Southwest wind around 7 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 80. North wind 7 to 10 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:
6:25 am EDT Jul 13, 2025
Forecast Valid:
2pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation