Station CASM1 - 8418150 - Portland, ME
December 23, 2025 12:30 pm ESTLocation: 43.656N 70.246W
Wind Direction: N (10°)
Wind Speed: 4.1 knots
Wind Gust: 5.1 knots
Atmospheric Pressure: 30.15 in (1021.1 mb)
Air Temperature: 32.5°F (0.3°C)
Water Temperature: 39.0°F (3.9°C)
This Afternoon - 37°F
Dec 23, 2025
10 to 15 mph SE
Chance Light Snow
A chance of snow before 4pm, then rain and snow. Cloudy, with a high near 37. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 31°F
Dec 23, 2025
15 mph SE
Rain And Snow
Rain and snow before 9pm, then rain and snow between 9pm and 4am, then rain and snow. Cloudy, with a low around 31. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible.
Wednesday - 33°F
Dec 24, 2025
15 to 25 mph N
Rain And Snow
Rain and snow before 2pm. Mostly cloudy, with a high near 33. North wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night - 25°F
Dec 24, 2025
5 to 10 mph NW
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 5am. Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph. New snow accumulation of less than half an inch possible.
Christmas Day - 35°F
Dec 25, 2025
15 to 20 mph W
Chance Light Snow
A chance of snow before 2pm, then isolated snow showers between 2pm and 3pm. Mostly cloudy, with a high near 35. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night - 14°F
Dec 25, 2025
20 to 25 mph NW
Partly Cloudy
Partly cloudy, with a low around 14. New snow accumulation of less than half an inch possible.
Friday - 21°F
Dec 26, 2025
15 to 20 mph N
Mostly Sunny
Mostly sunny, with a high near 21.
Friday Night - 16°F
Dec 26, 2025
10 to 15 mph N
Mostly Cloudy then Isolated Snow Showers
Isolated snow showers after 1am. Mostly cloudy, with a low around 16.
Saturday - 24°F
Dec 27, 2025
10 mph N
Isolated Snow Showers
Isolated snow showers before 1pm. Partly sunny, with a high near 24.
Saturday Night - 21°F
Dec 27, 2025
5 mph NW
Partly Cloudy then Isolated Snow Showers
Isolated snow showers after 5am. Partly cloudy, with a low around 21.
Sunday - 37°F
Dec 28, 2025
5 to 15 mph SW
Isolated Snow Showers then Chance Light Snow
Isolated snow showers before 11am, then a chance of snow between 11am and 1pm, then a chance of rain and snow between 1pm and 3pm, then rain likely and isolated snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Sunday Night - 28°F
Dec 28, 2025
15 to 20 mph SW
Light Rain
Rain and isolated snow showers before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 80%.
Monday - 32°F
Dec 29, 2025
25 to 30 mph W
Scattered Rain And Snow Showers
Scattered rain and snow showers. Partly sunny, with a high near 32. Chance of precipitation is 50%.
Monday Night - 21°F
Dec 29, 2025
25 to 30 mph W
Isolated Snow Showers then Mostly Cloudy
Isolated snow showers before 9pm. Mostly cloudy, with a low around 21.