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

52°F

11°C

Humidity 89%
Wind Speed SW 3 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Apr 1:52 am EDT
Extended Forecast for

Dennis Port MA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. South wind around 7 mph becoming west in the afternoon.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. South wind 7 to 10 mph.

    Low: 49 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of rain before 9am, then a chance of showers, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 61. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind around 7 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 43. Light and variable wind becoming south around 5 mph after midnight.

    Low: 43 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. South wind around 7 mph becoming west in the afternoon.
Thursday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. South wind 7 to 10 mph.
Friday
A slight chance of rain before 9am, then a chance of showers, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 61. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 52. Northeast wind around 7 mph.
Saturday Night
Cloudy, with a low around 43. Light and variable wind becoming south around 5 mph after midnight.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 34. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 49. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind around 10 mph, with gusts 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:
2:29 am EDT Apr 16, 2026
Forecast Valid:
2am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation