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.

Thunderstorm in Vicinity Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed Vrbl 7 G 18 mph
Barometer 29.67 in (1004.9 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Wind Chill46°F (8°C)
Last update 19 Apr 3:52 pm EDT
Extended Forecast for

Dennis Port MA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a high near 55. Northwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers, mainly before 8pm. Patchy fog before 8pm. Low around 37. West wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers and
    Patchy Fog
    then Mostly
    Clear

  • Monday

    Monday: Increasing clouds, with a high near 50. West wind 5 to 7 mph becoming southwest in the afternoon.

    High: 50 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 3am. Mostly cloudy, with a low around 36. North wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. North wind 6 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. South wind 7 to 10 mph.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southeast wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Northwest wind 5 to 7 mph.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a high near 55. Northwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers, mainly before 8pm. Patchy fog before 8pm. Low around 37. West wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Increasing clouds, with a high near 50. West wind 5 to 7 mph becoming southwest in the afternoon.
Monday Night
A slight chance of showers before 3am. Mostly cloudy, with a low around 36. North wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 46. North wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 49. South wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 52. Northwest wind 5 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 41. Light and variable wind becoming northwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 51. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 41. Northeast wind around 5 mph.
Saturday
A chance of showers. Partly sunny, with a high near 50. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Northeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 52.
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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:
1:41 pm EDT Apr 19, 2026
Forecast Valid:
4pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation