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Dennis, Massachusetts Weather Forecast
Dennis, Massachusetts Weather
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Weather Forecast for Dennis, Massachusetts : Barnstable County
Issued: 6:44 pm EST Dec 7, 2025 Latitude: 41.7353872 Longitude: -70.1939087 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Tonight Mostly Sunny on Monday Increasing Clouds on Tuesday 40% chance of rain on Wednesday Mostly Sunny on Thursday 40% chance of rain & snow on Friday 40% chance of rain & snow on Saturday 30% chance of snow on Sunday
Low: 23°F High: 31°F High: 43°F High: 50°F High: 44°F High: 38°F High: 38°F High: 33°F
Low: 16°F Low: 32°F Low: 36°F Low: 28°F Low: 26°F Low: 22°F  
Mostly Clear Mostly Sunny Increasing Clouds Rain Mostly Sunny Rain & Snow Rain & Snow Snow
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Current Conditions at
HYANNIS - (KHYA)
34°
Cloudy
as of 8:56 PM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3800ft
Current Conditions at
CHATHAM - (KCQX)
39°
Cloudy
as of 8:52 PM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 4100ft
Current Conditions at
COAST GUARD AIR STA - (KFMH)
34°
Cloudy
as of 8:45 PM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
PROVINCETOWN - (KPVC)
39°
Feels like 31°F
Cloudy
as of 8:56 PM EST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
13 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 4300ft
Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind 7 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 16. North wind 7 to 10 mph.
Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 43. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
40% chance of rain & snow Tuesday Night Tuesday Night... A slight chance of snow before 8pm, then a chance of rain. Cloudy, with a low around 32. South wind 10 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
40% chance of rain Wednesday Wednesday... A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 50. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
40% chance of rain Wednesday Night Wednesday Night... A chance of rain before 4am. Mostly cloudy, with a low around 36. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44. West wind around 14 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 28. West wind 8 to 10 mph, with gusts as high as 20 mph.
40% chance of rain & snow Friday Friday... A chance of snow between 8am and 9am, then a chance of rain after 9am. Partly sunny, with a high near 38. West wind 8 to 10 mph. Chance of precipitation is 40%.
40% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 26. Northwest wind around 10 mph. Chance of precipitation is 40%.
40% chance of rain & snow Saturday Saturday... A chance of rain and snow. Partly sunny, with a high near 38. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.
40% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 22. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
30% chance of snow Sunday Sunday... A chance of snow. Mostly sunny, with a high near 33. West wind around 16 mph. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Dennis, Massachusetts
Sunrise: 06:55 AM
Sunset: 4:10 PM
Civil Sunrise:06:23 AM
Civil Sunset: 4:41 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:16 PM
Astro Sunrise: 05:15 AM
Astro Sunset: 5:50 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.