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

40°F

4°C

Humidity 93%
Wind Speed NE 10 mph
Barometer 30.31 in (1026.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 5 Mar 3:52 pm EST
Extended Forecast for

Dennis Port MA

  • This Afternoon

    This Afternoon: Rain likely, mainly after 5pm. Cloudy, with a high near 41. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Rain Likely

  • Tonight

    Tonight: Rain. Low around 36. East wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 36 °F

    Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 40. Northeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain then
    Cloudy

  • Friday Night

    Friday Night: Patchy fog before 9pm, then patchy fog after 5am. Otherwise, cloudy, with a low around 33. Northeast wind around 6 mph becoming calm after midnight.

    Low: 33 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 44. Light southeast wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 44 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after midnight. Cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Slight Chance
    Rain then
    Chance Rain

  • Sunday

    Sunday: A chance of rain before 9am. Mostly cloudy, with a high near 48. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Southwest wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Southwest wind 6 to 10 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely, mainly after 5pm. Cloudy, with a high near 41. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 36. East wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain, mainly before 8am. High near 40. Northeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Patchy fog before 9pm, then patchy fog after 5am. Otherwise, cloudy, with a low around 33. Northeast wind around 6 mph becoming calm after midnight.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 44. Light southeast wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A chance of rain, mainly after midnight. Cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A chance of rain before 9am. Mostly cloudy, with a high near 48. Southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 36. Southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 47. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 37. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind 5 to 7 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 48. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 45.
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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:
1:39 pm EST Mar 5, 2026
Forecast Valid:
4pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation