National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

18°F

-8°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 30.08 in (1019.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 31 Jan 12:52 pm EST
Extended Forecast for

Dennis Port MA

Coastal Flood Advisory February 1, 08:00am until February 2, 02:00pm
Winter Weather Advisory February 1, 04:00am until February 2, 04:00am
Wind Advisory February 1, 05:00am until February 1, 11:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Winter Weather Advisory
Wind Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 26. Northwest wind around 7 mph.

    High: 26 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of snow, mainly after 1am. Mostly cloudy, with a temperature rising to around 26 by 4am. Northeast wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 18 °F⇑

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly between 10am and noon. Cloudy, with a high near 31. Windy, with a north wind 21 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely
    and Windy

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 11pm. Cloudy, with a low around 20. Windy, with a north wind 24 to 29 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 31. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Northwest wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind around 6 mph becoming calm in the afternoon.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Light west wind.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. West wind 5 to 7 mph.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 26. Northwest wind around 7 mph.
Tonight
A chance of snow, mainly after 1am. Mostly cloudy, with a temperature rising to around 26 by 4am. Northeast wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow likely, mainly between 10am and noon. Cloudy, with a high near 31. Windy, with a north wind 21 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow, mainly before 11pm. Cloudy, with a low around 20. Windy, with a north wind 24 to 29 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Monday
Partly sunny, with a high near 31. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 21. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 31. West wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 22. Light west wind.
Wednesday
Mostly sunny, with a high near 31. West wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 18. Northwest wind around 7 mph.
Friday
Partly sunny, with a high near 30. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
1:03 pm EST Jan 31, 2026
Forecast Valid:
1pm EST Jan 31, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation