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.

A Few Clouds

11°F

-12°C

Humidity 53%
Wind Speed NW 13 G 28 mph
Barometer 30.42 in (1030.3 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 24 Jan 6:52 am EST
Extended Forecast for

Dennis Port MA

Cold Weather Advisory January 24, 07:39am until January 24, 10:00am
Winter Storm Warning January 25, 07:00am until January 26, 08:00pm
Click here for hazard details and duration
...
Winter Storm Warning
  •  
    Cold Weather Advisory January 24, 07:39am until January 24, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 17 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. Patchy fog after 4pm. High near 32. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Snow Likely
    then Heavy
    Snow and
    Patchy Fog

  • Sunday Night

    Sunday Night: Snow before 2am, then snow and sleet between 2am and 3am, then rain, snow, and sleet after 3am. The snow could be heavy at times. Areas of blowing snow between 10pm and 1am. Low around 25. Northeast wind 13 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 4 to 8 inches possible.

    Low: 25 °F

    Wintry Mix
    and Areas
    Blowing Snow

  • Monday

    Monday: Rain, snow, and sleet before 11am, then rain likely between 11am and 1pm, then snow likely after 1pm. High near 36. Northeast wind 11 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

    High: 36 °F

    Wintry Mix

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow Likely

  • Tuesday

    Tuesday: A chance of snow before 9am. Mostly sunny, with a high near 24. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. West wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 17. Wind chill values as low as -8. Northwest wind 9 to 14 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph.
Sunday
Snow. The snow could be heavy at times. Patchy fog after 4pm. High near 32. Light and variable wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow before 2am, then snow and sleet between 2am and 3am, then rain, snow, and sleet after 3am. The snow could be heavy at times. Areas of blowing snow between 10pm and 1am. Low around 25. Northeast wind 13 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 4 to 8 inches possible.
Monday
Rain, snow, and sleet before 11am, then rain likely between 11am and 1pm, then snow likely after 1pm. High near 36. Northeast wind 11 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 13. Northwest wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday
A chance of snow before 9am. Mostly sunny, with a high near 24. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 14. West wind 9 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 25. West wind around 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 13. West wind 6 to 8 mph.
Thursday
Mostly cloudy, with a high near 24. Northwest wind 6 to 9 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 13. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 25. Northwest wind around 11 mph, with gusts as high as 22 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:
5:35 am EST Jan 24, 2026
Forecast Valid:
7am EST Jan 24, 2026-6pm EST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation