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

44°F

7°C

Humidity 65%
Wind Speed S 6 mph
Barometer 30.44 in (1030.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Apr 8:52 pm EDT
Extended Forecast for

Dennis Port MA

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 41. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 4pm and 5pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 54. Southwest wind 13 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely before 7pm, then a slight chance of rain between 7pm and 9pm. Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 47. Southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61. South wind 5 to 7 mph.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 48. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Southwest wind 6 to 13 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. South wind 6 to 10 mph.

    High: 58 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Southwest wind around 7 mph.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 41. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers between 4pm and 5pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 54. Southwest wind 13 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Monday Night
Showers likely before 7pm, then a slight chance of rain between 7pm and 9pm. Patchy fog. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 47. Southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61. South wind 5 to 7 mph.
Tuesday Night
A slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 48. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 61. Southwest wind 6 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 48. Southwest wind around 7 mph.
Thursday
Mostly cloudy, with a high near 58. South wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 47. Southwest wind around 7 mph.
Friday
Mostly sunny, with a high near 60. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 57. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 46. South wind around 6 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 57. South wind 6 to 10 mph. Chance of precipitation is 30%.
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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:
3:21 pm EDT Apr 12, 2026
Forecast Valid:
9pm EDT Apr 12, 2026-6pm EDT Apr 19, 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