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Old Harbor, Massachusetts Weather Forecast
Old Harbor, Massachusetts Weather
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Weather Forecast for Old Harbor, Massachusetts : Barnstable County
Issued: 12:30 am EST Dec 16, 2025 Latitude: 41.6001139 Longitude: -69.9827928 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Partly Sunny on Today Partly Cloudy on Tonight Mostly Sunny on Wednesday Sunny on Thursday 90% chance of rain on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday
High: 40°F Low: 37°F High: 46°F High: 50°F High: 52°F High: 42°F High: 45°F High: 37°F
Low: 39°F Low: 47°F Low: 32°F Low: 37°F Low: 33°F  
Partly Sunny Partly Cloudy Mostly Sunny Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
CHATHAM - (KCQX)
21°
Clear
as of 3:52 AM EST
Rel. Humidity: 73%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
HYANNIS - (KHYA)
23°
Clear
as of 3:56 AM EST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
NANTUCKET - (KACK)
27°
Clear
as of 3:53 AM EST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
COAST GUARD AIR STA - (KFMH)
21°
Feels like 9°F
Clear
as of 3:56 AM EST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
12 MPH
260° West
Cloud Level(s): Clear
Partly Sunny on Today Today... Partly sunny through mid morning, then becoming sunny, with a high near 40. Southwest wind 11 to 14 mph.

Partly Cloudy on Tonight Tonight... Cloudy, then gradually becoming partly cloudy, with a low around 37. Breezy, with a southwest wind 14 to 22 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 46. Breezy, with a southwest wind around 23 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 39. Breezy, with a west wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.

Sunny on Thursday Thursday... Sunny, with a high near 50. West wind 7 to 16 mph becoming south in the morning.

40% chance of rain Thursday Night Thursday Night... A chance of rain, mainly after 1am. Mostly cloudy, with a low around 47. Windy, with a south wind 21 to 29 mph, with gusts as high as 49 mph. Chance of precipitation is 40%.

90% chance of rain Friday Friday... Rain, mainly before 4pm. High near 52. Windy, with a south wind 26 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 90%.

30% chance of rain Friday Night Friday Night... A chance of rain before 9pm. Partly cloudy, with a low around 32. Windy, with a west wind 24 to 30 mph. Chance of precipitation is 30%.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 42. West wind 15 to 18 mph.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 37. Breezy, with a southwest wind 17 to 21 mph.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 45. Breezy, with a southwest wind 18 to 20 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 33. West wind 16 to 18 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 37. Northwest wind around 16 mph.

Current Radar Image


Sun Almanac for Old Harbor, Massachusetts
Sunrise: 07:01 AM
Sunset: 4:11 PM
Civil Sunrise:06:29 AM
Civil Sunset: 4:42 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:17 PM
Astro Sunrise: 05:20 AM
Astro Sunset: 5:51 PM
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