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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: 4:31 pm EST Jan 26, 2026 Latitude: 41.6751117 Longitude: -70.0439056 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
70% chance of snow on Tonight Increasing Clouds on Tuesday Mostly Sunny on Wednesday 20% chance of snow on Thursday Mostly Sunny on Friday Partly Sunny on Saturday 40% chance of snow on Sunday Partly Sunny on Monday
Low: 14°F High: 25°F High: 24°F High: 23°F High: 20°F High: 28°F High: 33°F High: 33°F
Low: 14°F Low: 15°F Low: 10°F Low: 12°F Low: 21°F Low: 25°F  
Snow Increasing Clouds Mostly Sunny Snow Mostly Sunny Partly Sunny Snow Partly Sunny
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Current Conditions at
CHATHAM - (KCQX)
21°
Feels like 8°F
Cloudy
Light Snow Mist
as of 9:52 PM EST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 3/4 Miles
Pressure: 29.62 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 29 MPH
310° Northwest
Cloud Level(s): Broken at 1400ft, Solid Overcast at 2100ft
Current Conditions at
HYANNIS - (KHYA)
19°
Feels like 8°F
Clear
Snow Freezing Fog
as of 10:03 PM EST
Rel. Humidity: 92%
Dew Point: 18°F
Visibility: 1/2 Miles
Pressure: 29.63 in.
Flight Rule: IFR
Wind Data
9 MPH
Gust: 21 MPH
310° Northwest
Current Conditions at
PROVINCETOWN - (KPVC)
23°
Feels like 6°F
Cloudy
Snow Freezing Fog
as of 9:56 PM EST
Rel. Humidity: 100%
Dew Point: 23°F
Visibility: 1/2 Miles
Pressure: 29.65 in.
Flight Rule: IFR
Wind Data
25 MPH
Gust: 36 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 900ft
70% chance of snow Tonight Tonight... Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 15 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 25. Wind chill values as low as -1. Northwest wind 10 to 16 mph, with gusts as high as 33 mph.

20% chance of snow Tuesday Night Tuesday Night... A slight chance of snow. Cloudy during the early evening, then gradual clearing, with a low around 14. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 24. Wind chill values as low as zero. West wind 7 to 11 mph, with gusts as high as 22 mph.

20% chance of snow Wednesday Night Wednesday Night... A slight chance of snow after 4am. Mostly cloudy, with a low around 15. Northwest wind around 7 mph. Chance of precipitation is 20%.

20% chance of snow Thursday Thursday... A slight chance of snow before 4pm. Partly sunny, with a high near 23. Northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 10. West wind around 14 mph, with gusts as high as 25 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 20. West wind 11 to 14 mph, with gusts as high as 24 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 12. West wind 7 to 10 mph, with gusts as high as 21 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 28. Northwest wind around 8 mph becoming north in the afternoon.

30% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 21. Northeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

40% chance of snow Sunday Sunday... A chance of snow. Mostly cloudy, with a high near 33. Northeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

40% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 25. North wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

Partly Sunny on Monday Monday... Partly sunny, with a high near 33. North wind 11 to 14 mph, with gusts as high as 24 mph.

Sun Almanac for South Harwich, Massachusetts
Sunrise: 06:57 AM
Sunset: 4:48 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:24 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.