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.

Overcast

38°F

3°C

Humidity 60%
Wind Speed Vrbl 7 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Mar 3:52 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 32. Calm wind becoming southwest around 6 mph after midnight.

    Low: 32 °F

    Gradual
    Clearing

  • Friday

    Friday: Mostly sunny through mid morning, then becoming cloudy, with a high near 46. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 46 °F

    Becoming
    Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 39. Southwest wind around 10 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: A chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. North wind around 5 mph becoming west after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 46. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Cloudy, with a low around 37. South wind around 7 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 46. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 32. Calm wind becoming southwest around 6 mph after midnight.
Friday
Mostly sunny through mid morning, then becoming cloudy, with a high near 46. West wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 39. Southwest wind around 10 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 47. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 36. North wind around 5 mph becoming west after midnight.
Sunday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 46. South wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 37. South wind around 7 mph. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 46. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 29. Northwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 38. North wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind 5 to 7 mph.
Wednesday
A chance of rain. Partly sunny, with a high near 43. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 31. Northwest wind around 8 mph.
Thursday
Partly sunny, with a high near 46. East wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 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:
3:55 pm EDT Mar 19, 2026
Forecast Valid:
4pm EDT Mar 19, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation