National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

A Few Clouds

29°F

-2°C

Humidity 61%
Wind Speed Calm
Barometer 30.46 in (1031.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 28 Mar 9:52 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Calm wind becoming west around 6 mph after midnight.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44. West wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 52. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 42. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 52. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Southwest wind 11 to 14 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Southwest wind 13 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely before 5am, then rain and snow likely. Mostly cloudy, with a low around 35. Southwest wind around 8 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Calm wind becoming west around 6 mph after midnight.
Sunday
Sunny, with a high near 44. West wind 5 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Increasing clouds, with a low around 37. Southwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, with a high near 52. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Monday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 42. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain before 8am, then a slight chance of showers between 8am and 2pm. Partly sunny, with a high near 52. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 44. Southwest wind 11 to 14 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 53. Southwest wind 13 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Rain likely before 5am, then rain and snow likely. Mostly cloudy, with a low around 35. Southwest wind around 8 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Thursday
Rain and snow likely, mainly before 10am. Mostly cloudy, with a high near 42. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43. East wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 35. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 46. Northeast wind around 10 mph. Chance of precipitation is 30%.
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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:
2:56 pm EDT Mar 28, 2026
Forecast Valid:
10pm EDT Mar 28, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation