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South Harwich, Massachusetts Weather Forecast
South Harwich, Massachusetts Weather
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Weather Forecast for South Harwich, Massachusetts : Barnstable County
Issued: 1:04 am EST Dec 8, 2025 Latitude: 41.6751117 Longitude: -70.0439056 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 Partly Sunny on Friday 60% chance of rain & snow on Saturday 30% chance of snow on Sunday
Low: 24°F High: 31°F High: 39°F High: 49°F High: 44°F High: 38°F High: 39°F High: 33°F
Low: 22°F Low: 33°F Low: 34°F Low: 27°F Low: 27°F Low: 22°F  
Mostly Clear Mostly Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Rain & Snow Snow
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Current Conditions at
CHATHAM - (KCQX)
37°
Cloudy
as of 11:52 PM EST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
HYANNIS - (KHYA)
37°
Feels like 29°F
Mostly Cloudy
as of 11:56 PM EST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
270° West
Cloud Level(s): Broken at 4000ft
Current Conditions at
PROVINCETOWN - (KPVC)
37°
Feels like 27°F
Clear
as of 11:56 PM EST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 24 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
COAST GUARD AIR STA - (KFMH)
37°
Feels like 28°F
Mostly Cloudy
as of 11:45 PM EST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
14 MPH
270° West
Cloud Level(s): Broken at 4000ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 24. Northwest wind 13 to 16 mph, with gusts as high as 31 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31. Blustery, with a north wind 14 to 20 mph, with gusts as high as 33 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 22. North wind 7 to 11 mph, with gusts as high as 21 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 39. North wind 6 to 8 mph becoming southwest in the afternoon.
40% chance of rain & snow Tuesday Night Tuesday Night... A slight chance of snow between 8pm and 9pm, then a chance of rain. Cloudy, with a low around 33. South wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
50% chance of rain Wednesday Wednesday... A chance of rain, mainly after noon. Mostly cloudy, with a high near 49. Southwest wind 10 to 15 mph, with gusts as high as 26 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 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 44. West wind 13 to 15 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 27. West wind 10 to 13 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 38. West wind 10 to 13 mph.
40% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 20 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 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
50% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 22. West wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
30% chance of snow Sunday Sunday... A chance of snow. Mostly sunny, with a high near 33. Northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for South Harwich, 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: 05:15 AM
Astro Sunset: 5:49 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.