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

34°F

1°C

Humidity 48%
Wind Speed NW 6 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 28 Dec 11:52 am EST
Extended Forecast for

Dennis Port MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 36. West wind 5 to 7 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain, mainly after midnight. Temperature rising to around 42 by 5am. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F⇑

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 49. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Monday Night

    Monday Night: Rain likely before 1am, then a slight chance of freezing rain between 1am and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 24 °F

    Rain Likely
    then Slight
    Chance
    Rain/Freezing
    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 15 to 17 mph, with gusts as high as 36 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 13 to 15 mph, with gusts as high as 33 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow after 2am. Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • New Year's Day

    New Year's Day: A chance of snow. Mostly cloudy, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 36. West wind 5 to 7 mph.
Tonight
Rain, mainly after midnight. Temperature rising to around 42 by 5am. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 49. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain likely before 1am, then a slight chance of freezing rain between 1am and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 32. West wind 15 to 17 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 23. West wind 13 to 15 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, with a high near 36. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of snow after 2am. Mostly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 33. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21. West wind around 7 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 32. Northwest wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 19. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 34. West wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.68°N 70.13°W (Elev. 10 ft)
Last Update:
9:04 am EST Dec 28, 2025
Forecast Valid:
12pm EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation