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Scarborough, ME Marine Weather Forecast

Station CASM1 - 8418150 - Portland, ME

December 5, 2025 1:30 am EST
Location: 43.656N 70.246W
Wind Direction: W (260°)
Wind Speed: 7.0 knots
Wind Gust: 11.1 knots
Atmospheric Pressure: 30.22 in (1023.3 mb)
Air Temperature: 10.9°F (-11.7°C)
Water Temperature: 43.0°F (6.1°C)


Overnight - 17°F
Dec 05, 2025
15 to 20 mph NW
Mostly Clear
Mostly clear, with a low around 17. Northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday - 26°F
Dec 05, 2025
5 to 15 mph W
Sunny
Sunny, with a high near 26. West wind 5 to 15 mph.
Friday Night - 23°F
Dec 05, 2025
5 to 15 mph W
Partly Cloudy
Partly cloudy, with a low around 23. West wind 5 to 15 mph.
Saturday - 37°F
Dec 06, 2025
5 to 10 mph SW
Chance Rain And Snow Showers
A slight chance of snow showers between 10am and noon, then a chance of rain and snow showers between noon and 4pm. Mostly cloudy, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night - 28°F
Dec 06, 2025
10 mph W
Partly Cloudy
Partly cloudy, with a low around 28. West wind around 10 mph.
Sunday - 34°F
Dec 07, 2025
10 mph N
Partly Sunny
Partly sunny, with a high near 34.
Sunday Night - 20°F
Dec 07, 2025
5 to 15 mph NE
Heavy Snow Likely
Snow likely after 7pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Monday - 25°F
Dec 08, 2025
20 mph N
Chance Light Snow then Mostly Sunny
A chance of snow before 10am. Mostly sunny, with a high near 25. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible.
Monday Night - 14°F
Dec 08, 2025
10 to 20 mph NW
Mostly Clear
Mostly clear, with a low around 14.
Tuesday - 32°F
Dec 09, 2025
10 to 20 mph W
Partly Sunny then Slight Chance Light Snow
A slight chance of snow after 5pm. Partly sunny, with a high near 32.
Tuesday Night - 28°F
Dec 09, 2025
15 to 20 mph SW
Chance Light Snow
A chance of snow before 2am. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Wednesday - 42°F
Dec 10, 2025
10 to 15 mph SW
Mostly Cloudy then Chance Light Rain
A chance of rain after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night - 36°F
Dec 10, 2025
15 mph S
Light Rain Likely
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday - 40°F
Dec 11, 2025
15 to 20 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 40.

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