Station CASM1 - 8418150 - Portland, ME
December 25, 2025 6:48 am ESTLocation: 43.656N 70.246W
Wind Direction: SSW (210°)
Wind Speed: 8.9 knots
Wind Gust: 11.1 knots
Atmospheric Pressure: 29.89 in (1012.2 mb)
Christmas Day - 35°F
Dec 25, 2025
10 to 25 mph W
Snow Showers Likely then Mostly Cloudy
Snow showers likely before 11am. Mostly cloudy. High near 35, with temperatures falling to around 28 in the afternoon. West wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Tonight - 13°F
Dec 25, 2025
20 to 30 mph NW
Freezing Spray
Freezing spray after 10pm. Mostly clear, with a low around 13. Wind chill values as low as -5. Northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Friday - 21°F
Dec 26, 2025
15 to 20 mph N
Freezing Spray then Mostly Sunny
Freezing spray before 10am. Mostly sunny, with a high near 21. Wind chill values as low as -5. North wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night - 15°F
Dec 26, 2025
10 to 15 mph N
Mostly Cloudy
Mostly cloudy, with a low around 15. North wind 10 to 15 mph.
Saturday - 25°F
Dec 27, 2025
10 to 15 mph N
Partly Sunny
Partly sunny, with a high near 25. North wind 10 to 15 mph.
Saturday Night - 19°F
Dec 27, 2025
5 to 10 mph NW
Partly Cloudy
Partly cloudy, with a low around 19.
Sunday - 35°F
Dec 28, 2025
5 to 10 mph NW
Mostly Sunny
Mostly sunny, with a high near 35.
Sunday Night - 30°F
Dec 28, 2025
10 mph SW
Chance Rain And Snow
A chance of rain and snow between 9pm and 2am, then rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Monday - 41°F
Dec 29, 2025
10 to 20 mph SW
Light Rain
Rain. Cloudy, with a high near 41. Chance of precipitation is 90%.
Monday Night - 26°F
Dec 29, 2025
20 to 25 mph W
Slight Chance Light Snow
A chance of rain before 11pm, then a slight chance of snow between 11pm and 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Tuesday - 29°F
Dec 30, 2025
20 to 25 mph W
Mostly Sunny
Mostly sunny, with a high near 29.
Tuesday Night - 22°F
Dec 30, 2025
15 to 20 mph W
Partly Cloudy
Partly cloudy, with a low around 22.
Wednesday - 32°F
Dec 31, 2025
15 to 20 mph W
Partly Sunny
Partly sunny, with a high near 32.
Wednesday Night - 24°F
Dec 31, 2025
15 mph SW
Slight Chance Light Snow
A slight chance of snow after 7pm. Mostly cloudy, with a low around 24.