Station CASM1 - 8418150 - Portland, ME
December 22, 2025 6:48 pm ESTLocation: 43.656N 70.246W
Wind Direction: S (170°)
Wind Speed: 2.9 knots
Wind Gust: 2.9 knots
Atmospheric Pressure: 30.31 in (1026.4 mb)
Tonight - 25°F
Dec 22, 2025
5 to 10 mph NW
Partly Cloudy
Partly cloudy, with a low around 25. Northwest wind 5 to 10 mph.
Tuesday - 36°F
Dec 23, 2025
5 to 15 mph E
Chance Light Snow
A chance of snow between 11am and 1pm, then rain and snow likely. Mostly cloudy, with a high near 36. East wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 29°F
Dec 23, 2025
15 to 20 mph NE
Rain And Snow
Rain before 11pm, then rain and snow. Cloudy, with a low around 29. Northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday - 34°F
Dec 24, 2025
15 to 25 mph N
Snow Likely
Snow likely before 3pm. Partly sunny, with a high near 34. North wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night - 24°F
Dec 24, 2025
5 to 10 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 24. Northwest wind 5 to 10 mph.
Christmas Day - 33°F
Dec 25, 2025
10 to 15 mph W
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow between 7am and noon. Mostly cloudy, with a high near 33.
Thursday Night - 17°F
Dec 25, 2025
15 to 20 mph NW
Partly Cloudy
Partly cloudy, with a low around 17.
Friday - 23°F
Dec 26, 2025
15 mph N
Partly Sunny then Slight Chance Light Snow
A slight chance of snow after 5pm. Partly sunny, with a high near 23.
Friday Night - 18°F
Dec 26, 2025
15 mph NE
Chance Light Snow
A chance of snow. Cloudy, with a low around 18. Chance of precipitation is 50%.
Saturday - 27°F
Dec 27, 2025
10 to 15 mph NE
Chance Light Snow
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Saturday Night - 23°F
Dec 27, 2025
10 mph N
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Sunday - 39°F
Dec 28, 2025
10 to 20 mph SE
Rain And Snow Likely
A chance of snow before noon, then rain and snow likely between noon and 4pm, then rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 70%.
Sunday Night - 24°F
Dec 28, 2025
20 to 25 mph SW
Rain And Snow Likely
Rain and snow likely before 8pm, then rain and snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Monday - 30°F
Dec 29, 2025
25 to 30 mph W
Chance Light Snow
A chance of snow before 4pm. Mostly sunny, with a high near 30.