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South Dennis, Massachusetts Weather Forecast
South Dennis, Massachusetts Weather
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Weather Forecast for South Dennis, Massachusetts : Barnstable County
Issued: 1:04 am EST Dec 8, 2025 Latitude: 41.6895552 Longitude: -70.1564077 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Mostly Sunny on Monday Mostly Sunny on Tuesday 50% chance of rain on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday 60% chance of rain & snow on Saturday 30% chance of snow on Sunday
Low: 22°F High: 31°F High: 38°F High: 50°F High: 44°F High: 39°F High: 39°F High: 33°F
Low: 21°F Low: 32°F Low: 34°F Low: 26°F Low: 26°F Low: 20°F  
Mostly Clear Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Sunny Rain & Snow Snow
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Current Conditions at
HYANNIS - (KHYA)
36°
Clear
as of 12:56 AM EST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
CHATHAM - (KCQX)
36°
Clear
as of 12:52 AM EST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
COAST GUARD AIR STA - (KFMH)
36°
Feels like 27°F
Clear
as of 12:55 AM EST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
12 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
PROVINCETOWN - (KPVC)
37°
Feels like 27°F
Clear
as of 12:56 AM EST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 22. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31. North wind 11 to 17 mph, with gusts as high as 32 mph.
Mostly Clear on Monday Night Monday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 21. North wind 6 to 8 mph, with gusts as high as 20 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 38. Northwest wind around 6 mph becoming southwest in the afternoon.
30% chance of rain Tuesday Night Tuesday Night... A chance of rain, mainly after 10pm. Cloudy, with a low around 32. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
50% chance of rain Wednesday Wednesday... A chance of rain, mainly after noon. Mostly cloudy, with a high near 50. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
50% chance of rain Wednesday Night Wednesday Night... A chance of rain before 4am. Mostly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44. West wind 10 to 13 mph, with gusts as high as 23 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 26. West wind around 9 mph, with gusts as high as 21 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 20 mph.
40% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 26. West wind 6 to 8 mph. Chance of precipitation is 40%.
60% chance of rain & snow Saturday Saturday... Rain and snow likely. Mostly cloudy, with a high near 39. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
40% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 20. West wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
30% chance of snow Sunday Sunday... A chance of snow. Mostly sunny, with a high near 33. Northwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for South Dennis, Massachusetts
Sunrise: 06:55 AM
Sunset: 4:10 PM
Civil Sunrise:06:24 AM
Civil Sunset: 4:41 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:16 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 5:50 PM
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