Old Harbor, Massachusetts Weather
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Weather Forecast for Old Harbor, Massachusetts : Barnstable County
Issued: 2:33 pm EDT Jul 2, 2025 Latitude: 41.6001139 Longitude: -69.9827928 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Independence Day Saturday Sunday Monday Tuesday Wednesday
20% chance of rain on This Afternoon Fog on Tonight Fog on Thursday Sunny on Independence Day Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday 20% chance of on Wednesday
High: 71°F Low: 65°F High: 74°F High: 72°F High: 73°F High: 73°F High: 74°F High: 74°F High: 72°F
Low: 64°F Low: 66°F Low: 69°F Low: 69°F Low: 70°F Low: 69°F  
Rain Fog Fog Sunny Sunny Mostly Sunny Sunny Partly Sunny Partly Sunny
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Current Conditions at
CHATHAM - (KCQX)
73°
Clear
as of 4:52 PM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
6 MPH
Gust: 21 MPH
Cloud Level(s): Clear
Current Conditions at
HYANNIS - (KHYA)
75°
Clear
as of 4:56 PM EDST
Rel. Humidity: 69%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 21 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
NANTUCKET - (KACK)
66°
Mostly Cloudy
as of 5:10 PM EDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 8 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Scattered at 200ft, Broken at 10000ft
20% chance of rain This Afternoon This Afternoon... A slight chance of showers. Areas of fog. Otherwise, cloudy, with a high near 71. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Fog on Tonight Tonight... Areas of fog. Otherwise, cloudy, with a low around 65. Southwest wind around 6 mph, with gusts as high as 21 mph.
Fog on Thursday Thursday... Areas of fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 5 to 9 mph.
30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 64. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunny on Independence Day Independence Day... Sunny, with a high near 72. Northwest wind 6 to 10 mph becoming northeast in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 66. South wind around 8 mph becoming northwest after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 73. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 69. Southwest wind 10 to 13 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 73. Southwest wind 14 to 17 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 69. Southwest wind around 17 mph.
Sunny on Monday Monday... Sunny, with a high near 74. Southwest wind 15 to 17 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 70. Southwest wind 15 to 17 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 74. South wind around 14 mph.
30% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 69. South wind around 11 mph. Chance of precipitation is 30%.
20% chance of Wednesday Wednesday... A chance of showers. Partly sunny, with a high near 72.
Sun Almanac for Old Harbor, Massachusetts
Sunrise: 05:10 AM
Sunset: 8:18 PM
Civil Sunrise:04:37 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 03:53 AM
Nautical Sunset: 9:35 PM
Astro Sunrise: 03:02 AM
Astro Sunset: 10:27 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.