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.

Fog

37°F

3°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 9 Mar 3:52 am EDT
Extended Forecast for

Dennis Port MA

  • Today

    Today: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 49 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Patchy fog before 11pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Southwest wind around 6 mph.

    Low: 35 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 52. Southwest wind 5 to 8 mph.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50. South wind 6 to 9 mph.

    High: 50 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Cloudy, with a low around 43. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 50. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. West wind 7 to 9 mph becoming southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight
Patchy fog before 11pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Southwest wind around 6 mph.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 52. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 5 mph.
Wednesday
Cloudy, with a high near 50. South wind 6 to 9 mph.
Wednesday Night
A slight chance of rain. Cloudy, with a low around 43. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 50. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow between 11pm and midnight. Mostly cloudy, with a low around 28. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 41. West wind 7 to 9 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 32. South wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 43. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 29. Northwest wind around 7 mph.
Sunday
Partly sunny, with a high near 45. Northwest wind 6 to 9 mph becoming south in the afternoon.
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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:
2:49 am EDT Mar 9, 2026
Forecast Valid:
4am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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