Harwich, Massachusetts Weather
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Weather Forecast for Harwich, Massachusetts : Barnstable County
Issued: 1:43 pm EDT Jul 1, 2025 Latitude: 41.6862224 Longitude: -70.0758508 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Independence Day Saturday Sunday Monday Tuesday
50% chance of thunderstorms on Tonight 50% chance of thunderstorms on Wednesday Mostly Sunny on Thursday Sunny on Independence Day Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 69°F High: 79°F High: 83°F High: 81°F High: 80°F High: 82°F High: 83°F High: 82°F
Low: 66°F Low: 66°F Low: 65°F Low: 67°F Low: 69°F Low: 69°F  
Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
CHATHAM - (KCQX)
73°
Cloudy
as of 3:52 PM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 9 Miles
Pressure: 29.80 in.
Flight Rule: LIFR
Wind Data
9 MPH
Gust: 24 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
HYANNIS - (KHYA)
79°
Mostly Clear
as of 4:03 PM EDST
Rel. Humidity: 78%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 26 MPH
200° South
Cloud Level(s): Few at 900ft
Current Conditions at
COAST GUARD AIR STA - (KFMH)
81°
Mostly Cloudy
as of 4:05 PM EDST
Rel. Humidity: 74%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: IFR
Wind Data
14 MPH
240° Southwest
Cloud Level(s): Broken at 800ft
Current Conditions at
PROVINCETOWN - (KPVC)
79°
Clear
as of 3:56 PM EDST
Rel. Humidity: 83%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
16 MPH
200° South
Cloud Level(s): Clear
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, mainly after 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
50% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.
30% chance of rain Wednesday Night Wednesday Night... A chance of showers, mainly before midnight. Mostly cloudy, with a low around 66. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 83. Southwest wind 5 to 9 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 66. Southwest wind around 7 mph.
Sunny on Independence Day Independence Day... Sunny, with a high near 81. Northwest wind around 7 mph becoming northeast in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 65. Light and variable wind.
Sunny on Saturday Saturday... Sunny, with a high near 80. Northwest wind 5 to 7 mph becoming south in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 82. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 69. Southwest wind around 10 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 83. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 69. Southwest wind 8 to 10 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 82. Southwest wind 8 to 11 mph.
Current Radar Image


Sun Almanac for Harwich, Massachusetts
Sunrise: 05:10 AM
Sunset: 8:19 PM
Civil Sunrise:04:36 AM
Civil Sunset: 8:53 PM
Nautical Sunrise: 03:52 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 03:00 AM
Astro Sunset: 10:28 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.