Station 44090 - Cape Cod Bay, MA (221)
December 20, 2025 6:30 pm ESTLocation: 41.84N 70.329W
Significant Wave Height: 1.3 ft
Dominant Wave Period: 4 sec
Average Period: 2.7 sec
Mean Wave Direction: N (357°)
Air Temperature: 37.2°F (2.9°C)
Water Temperature: 44.1°F (6.7°C)
Tonight - 31°F
Dec 20, 2025
10 to 20 mph SW
Mostly Cloudy
Mostly cloudy. Low around 31, with temperatures rising to around 40 overnight. Southwest wind 10 to 20 mph, with gusts as high as 32 mph.
Sunday - 46°F
Dec 21, 2025
17 mph W
Mostly Sunny
Mostly sunny. High near 46, with temperatures falling to around 37 in the afternoon. West wind around 17 mph, with gusts as high as 30 mph.
Sunday Night - 23°F
Dec 21, 2025
15 to 18 mph NW
Partly Cloudy
Partly cloudy, with a low around 23. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Monday - 34°F
Dec 22, 2025
9 to 18 mph NW
Sunny
Sunny, with a high near 34. Northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Monday Night - 24°F
Dec 22, 2025
8 mph W
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 5am. Mostly cloudy, with a low around 24. West wind around 8 mph. Chance of precipitation is 20%.
Tuesday - 41°F
Dec 23, 2025
6 to 13 mph SW
Light Snow
Snow before 1pm, then rain. Cloudy, with a high near 41. Southwest wind 6 to 13 mph. Chance of precipitation is 100%. New snow accumulation of around one inch possible.
Tuesday Night - 30°F
Dec 23, 2025
10 to 16 mph W
Light Rain Likely then Slight Chance Snow Showers
Rain likely before 7pm, then rain showers likely between 7pm and 3am, then a slight chance of snow showers. Mostly cloudy, with a low around 30. West wind 10 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Wednesday - 38°F
Dec 24, 2025
12 to 17 mph NW
Slight Chance Snow Showers then Mostly Sunny
A slight chance of snow showers before 8am. Mostly sunny, with a high near 38. Northwest wind 12 to 17 mph, with gusts as high as 32 mph.
Wednesday Night - 24°F
Dec 24, 2025
6 to 10 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 24. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Christmas Day - 41°F
Dec 25, 2025
6 to 10 mph SW
Partly Sunny
Partly sunny, with a high near 41. Southwest wind 6 to 10 mph.
Thursday Night - 31°F
Dec 25, 2025
8 mph SW
Chance Light Rain
A chance of rain after 7pm. Mostly cloudy, with a low around 31. Southwest wind around 8 mph. Chance of precipitation is 50%.
Friday - 43°F
Dec 26, 2025
8 to 12 mph SW
Chance Light Rain
A chance of rain. Partly sunny, with a high near 43. Southwest wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday Night - 29°F
Dec 26, 2025
10 mph W
Chance Light Rain
A chance of rain before 1am. Mostly cloudy, with a low around 29. West wind around 10 mph. Chance of precipitation is 30%.
Saturday - 38°F
Dec 27, 2025
12 mph W
Slight Chance Freezing Rain then Chance Light Rain
A slight chance of freezing rain before 9am, then a chance of rain. Partly sunny, with a high near 38. West wind around 12 mph.