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.

Mostly Cloudy

37°F

3°C

Humidity 70%
Wind Speed E 6 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Mar 3:52 am EDT
Extended Forecast for

Dennis Port MA

  • Today

    Today: Rain likely, mainly after 3pm. Cloudy, with a high near 45. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tonight

    Tonight: Rain. Low around 37. Southwest wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A chance of rain and sleet before 9am, then a chance of rain between 9am and 3pm, then a slight chance of rain and snow showers after 3pm. Cloudy, with a high near 38. North wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.

    High: 38 °F

    Chance Wintry
    Mix

  • Monday Night

    Monday Night: Isolated snow showers before 9pm. Mostly cloudy, with a low around 30. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind 5 to 7 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain between 1pm and 2pm. Partly sunny, with a high near 48. South wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 48 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Rain likely, mainly after 3pm. Cloudy, with a high near 45. Light southeast wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 37. Southwest wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain and sleet before 9am, then a chance of rain between 9am and 3pm, then a slight chance of rain and snow showers after 3pm. Cloudy, with a high near 38. North wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.
Monday Night
Isolated snow showers before 9pm. Mostly cloudy, with a low around 30. North wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 40. North wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind around 7 mph.
Thursday
A chance of rain between 1pm and 2pm. Partly sunny, with a high near 48. South wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 3am. Cloudy, with a low around 36. South wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 47. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 25. North wind around 9 mph.
Saturday
Mostly sunny, with a high near 38. North wind around 7 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:
1:44 am EDT Mar 22, 2026
Forecast Valid:
4am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation