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

30°F

-1°C

Humidity 72%
Wind Speed Calm
Barometer 30.01 in (1016.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 27 Feb 4:52 am EST
Extended Forecast for

Dennis Port MA

  • Today

    Today: Sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming south around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. South wind 6 to 8 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain between 9am and 10am, then a chance of snow. Partly sunny, with a high near 38. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 9pm. Partly cloudy, with a low around 18. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 26. North wind 3 to 7 mph.

    High: 26 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. Light northwest wind.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. South wind 5 to 9 mph.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. Light and variable wind.
Tonight
Mostly clear, with a low around 27. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny, with a high near 44. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 30. Light and variable wind.
Sunday
A slight chance of rain between 9am and 10am, then a chance of snow. Partly sunny, with a high near 38. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A slight chance of snow before 9pm. Partly cloudy, with a low around 18. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 26. North wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 20. Light northwest wind.
Tuesday
Partly sunny, with a high near 37. South wind 5 to 9 mph.
Tuesday Night
Rain likely, mainly after 3am. Cloudy, with a low around 29. Southwest wind around 7 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain. Partly sunny, with a high near 41. West wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 31. Southwest wind around 6 mph.
Thursday
Mostly cloudy, with a high near 41. Southwest wind 6 to 10 mph.
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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:
1:08 am EST Feb 27, 2026
Forecast Valid:
5am EST Feb 27, 2026-6pm EST Mar 5, 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