Old Harbor, Massachusetts Weather
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Weather Forecast for Old Harbor, Massachusetts : Barnstable County
Issued: 2:22 pm EDT Aug 30, 2025 Latitude: 41.6001139 Longitude: -69.9827928 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Labor Day Tuesday Wednesday Thursday Friday Saturday
Clear on Tonight Sunny on Sunday Mostly Sunny on Labor Day Mostly Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday 30% chance of on Friday Mostly Sunny on Saturday
Low: 59°F High: 67°F High: 68°F High: 67°F High: 69°F High: 70°F High: 70°F High: 69°F
Low: 59°F Low: 64°F Low: 64°F Low: 66°F Low: 65°F Low: 65°F  
Clear Sunny Mostly Sunny Mostly Sunny Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHATHAM - (KCQX)
64°
Clear
as of 10:52 PM EDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
HYANNIS - (KHYA)
63°
Clear
as of 10:56 PM EDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
NANTUCKET - (KACK)
64°
Clear
as of 10:53 PM EDST
Rel. Humidity: 77%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
9 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
COAST GUARD AIR STA - (KFMH)
57°
Clear
as of 10:56 PM EDST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 59. Southwest wind 9 to 13 mph becoming northwest after midnight.
Sunny on Sunday Sunday... Sunny, with a high near 67. North wind 7 to 9 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 59. East wind around 5 mph becoming calm.
Mostly Sunny on Labor Day Labor Day... Mostly sunny, with a high near 68. Northeast wind around 9 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 64. Northeast wind around 8 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 67. Northeast wind around 10 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 64. Northeast wind 6 to 8 mph becoming west after midnight.
Sunny on Wednesday Wednesday... Sunny, with a high near 69. South wind 8 to 10 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 66. Southwest wind around 10 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 70. South wind 10 to 13 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 65. Southeast wind around 13 mph.
30% chance of Friday Friday... A chance of showers. Partly sunny, with a high near 70. South wind around 14 mph. Chance of precipitation is 30%.
30% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 65. South wind around 14 mph. Chance of precipitation is 30%.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 69. Southwest wind around 14 mph.
Current Radar Image


Sun Almanac for Old Harbor, Massachusetts
Sunrise: 06:05 AM
Sunset: 7:16 PM
Civil Sunrise:05:36 AM
Civil Sunset: 7:45 PM
Nautical Sunrise: 05:02 AM
Nautical Sunset: 8:19 PM
Astro Sunrise: 04:26 AM
Astro Sunset: 8:55 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.