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

80°F

27°C

Humidity 76%
Wind Speed SW 6 mph
Barometer 29.75 in (1007.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 10 Jul 10:52 am EDT
Extended Forecast for

Dennis Port MA

  • Today

    Today: Partly sunny, with a high near 83. West wind 5 to 7 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. North wind around 8 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 83. West wind 5 to 7 mph.
Tonight
A chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 67. Light and variable wind.
Sunday
Sunny, with a high near 78. North wind around 8 mph.
Sunday Night
Mostly clear, with a low around 67. Calm wind.
Monday
Sunny, with a high near 81. Light southwest wind becoming south 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 73. Southwest wind around 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 86. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 71. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 85. West wind around 7 mph becoming southwest 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:
7:13 am EDT Jul 10, 2026
Forecast Valid:
11am EDT Jul 10, 2026-6pm EDT Jul 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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