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Hyannis Port, MA Marine Weather Forecast

Station 44020 - NANTUCKET SOUND

December 28, 2025 6:40 am EST
Location: 41.497N 70.283W
Wind Direction: NW (310°)
Wind Speed: 11.7 knots
Wind Gust: 13.6 knots
Atmospheric Pressure: 30.11 in (1019.7 mb)
Air Temperature: 28.8°F (-1.8°C)
Dew Point: 23.0°F (-5.0°C)
Water Temperature: 37.4°F (3.0°C)


Today - 32°F
Dec 28, 2025
7 mph W
Mostly Sunny
Mostly sunny, with a high near 32. West wind around 7 mph.
Tonight - 32°F
Dec 28, 2025
6 to 10 mph SW
Light Rain
Rain after 10pm. Cloudy. Low around 32, with temperatures rising to around 41 overnight. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday - 48°F
Dec 29, 2025
12 to 15 mph S
Light Rain
Rain. Cloudy, with a high near 48. South wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night - 25°F
Dec 29, 2025
14 to 18 mph SW
Light Rain Likely
Rain likely before 1am. Partly cloudy, with a low around 25. Southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 31°F
Dec 30, 2025
18 mph W
Partly Sunny
Partly sunny, with a high near 31. West wind around 18 mph, with gusts as high as 38 mph.
Tuesday Night - 23°F
Dec 30, 2025
15 to 18 mph W
Partly Cloudy
Partly cloudy, with a low around 23. West wind 15 to 18 mph, with gusts as high as 36 mph.
Wednesday - 35°F
Dec 31, 2025
15 mph W
Partly Sunny
Partly sunny, with a high near 35. West wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night - 24°F
Dec 31, 2025
13 mph W
Chance Light Snow
A chance of snow after 7pm. Mostly cloudy, with a low around 24. West wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
New Year's Day - 32°F
Jan 01, 2026
12 mph NW
Chance Light Snow
A chance of snow. Partly sunny, with a high near 32. Northwest wind around 12 mph. Chance of precipitation is 40%.
Thursday Night - 21°F
Jan 01, 2026
10 mph NW
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 21. Northwest wind around 10 mph. Chance of precipitation is 40%.
Friday - 31°F
Jan 02, 2026
12 mph NW
Slight Chance Light Snow
A slight chance of snow. Mostly sunny, with a high near 31. Northwest wind around 12 mph.
Friday Night - 19°F
Jan 02, 2026
9 mph NW
Slight Chance Light Snow then Partly Cloudy
A slight chance of snow before 7pm. Partly cloudy, with a low around 19. Northwest wind around 9 mph.
Saturday - 34°F
Jan 03, 2026
8 to 12 mph W
Mostly Sunny then Slight Chance Light Rain
A slight chance of rain after 3pm. Mostly sunny, with a high near 34. West wind 8 to 12 mph.
Saturday Night - 25°F
Jan 03, 2026
9 mph W
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 25. West wind around 9 mph.

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