Station 44090 - Cape Cod Bay, MA (221)
December 20, 2025 6:30 am ESTLocation: 41.84N 70.329W
Significant Wave Height: 3.3 ft
Dominant Wave Period: 5 sec
Average Period: 3.5 sec
Mean Wave Direction: NNW (335°)
Air Temperature: 33.8°F (1.0°C)
Water Temperature: 44.1°F (6.7°C)
Today - 41°F
Dec 20, 2025
6 to 12 mph W
Mostly Sunny
Mostly sunny, with a high near 41. West wind 6 to 12 mph, with gusts as high as 25 mph.
Tonight - 31°F
Dec 20, 2025
6 to 18 mph SW
Mostly Cloudy
Mostly cloudy. Low around 31, with temperatures rising to around 40 overnight. Southwest wind 6 to 18 mph, with gusts as high as 29 mph.
Sunday - 45°F
Dec 21, 2025
17 mph W
Mostly Sunny
Mostly sunny. High near 45, with temperatures falling to around 38 in the afternoon. West wind around 17 mph.
Sunday Night - 23°F
Dec 21, 2025
17 mph NW
Mostly Clear
Mostly clear, with a low around 23. Northwest wind around 17 mph, with gusts as high as 28 mph.
Monday - 34°F
Dec 22, 2025
9 to 16 mph NW
Sunny
Sunny, with a high near 34. Northwest wind 9 to 16 mph.
Monday Night - 25°F
Dec 22, 2025
8 mph W
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 4am. Mostly cloudy, with a low around 25. West wind around 8 mph. Chance of precipitation is 20%.
Tuesday - 40°F
Dec 23, 2025
7 to 13 mph SW
Light Snow Likely then Light Rain
Snow likely before 10am, then rain. Cloudy, with a high near 40. Southwest wind 7 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night - 30°F
Dec 23, 2025
13 mph W
Chance Light Rain then Mostly Cloudy
A chance of rain before 11pm. Mostly cloudy, with a low around 30. West wind around 13 mph. Chance of precipitation is 30%.
Wednesday - 40°F
Dec 24, 2025
9 to 14 mph NW
Sunny
Sunny, with a high near 40. Northwest wind 9 to 14 mph.
Wednesday Night - 25°F
Dec 24, 2025
8 mph W
Mostly Cloudy
Mostly cloudy, with a low around 25. West wind around 8 mph.
Christmas Day - 46°F
Dec 25, 2025
7 to 12 mph SW
Slight Chance Light Snow then Chance Light Rain
A slight chance of snow between 7am and 8am, then a chance of rain. Partly sunny, with a high near 46. Southwest wind 7 to 12 mph. Chance of precipitation is 40%.
Thursday Night - 36°F
Dec 25, 2025
10 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind around 10 mph. Chance of precipitation is 40%.
Friday - 49°F
Dec 26, 2025
13 mph W
Chance Light Rain
A chance of rain. Partly sunny, with a high near 49. West wind around 13 mph. Chance of precipitation is 30%.
Friday Night - 31°F
Dec 26, 2025
10 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 31. West wind around 10 mph.