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

65°F

18°C

Humidity 97%
Wind Speed S 7 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 64°F (18°C)
Visibility 1.25 mi
Last update 18 Jun 5:52 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: A slight chance of showers after 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Juneteenth

    Juneteenth: A slight chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 13 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. West wind 6 to 9 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. South wind 6 to 9 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Southwest wind around 7 mph.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 9am and 1pm. Mostly sunny, with a high near 76. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Southwest wind 6 to 8 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers after 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 20%.
Juneteenth
A slight chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 13 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 65. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 64. West wind 6 to 9 mph.
Saturday
Sunny, with a high near 78. South wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 64. Southwest wind around 7 mph.
Sunday
A chance of showers between 9am and 1pm. Mostly sunny, with a high near 76. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 66. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 79. South wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 82. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 68. West wind 7 to 9 mph.
Wednesday
Sunny, with a high near 81. West wind 7 to 10 mph becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
4:10 pm EDT Jun 18, 2025
Forecast Valid:
5pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation