Station CASM1 - 8418150 - Portland, ME
December 25, 2025 12:30 pm ESTLocation: 43.656N 70.246W
Wind Direction: W (260°)
Wind Speed: 9.9 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 29.67 in (1004.9 mb)
Air Temperature: 32.9°F (0.5°C)
Water Temperature: 38.1°F (3.4°C)
Christmas Day - 35°F
Dec 25, 2025
15 to 25 mph NW
Mostly Sunny
Mostly sunny. High near 35, with temperatures falling to around 28 in the afternoon. Northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight - 13°F
Dec 25, 2025
20 to 30 mph NW
Mostly Clear
Mostly clear, with a low around 13. Wind chill values as low as -4. Northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Friday - 21°F
Dec 26, 2025
15 to 20 mph N
Mostly Sunny
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 then Slight Chance Light Snow
A slight chance of snow after 4am. Mostly cloudy, with a low around 15. North wind 10 to 15 mph.
Saturday - 24°F
Dec 27, 2025
10 to 15 mph N
Mostly Cloudy
Mostly cloudy, with a high near 24. North wind 10 to 15 mph.
Saturday Night - 20°F
Dec 27, 2025
10 mph NW
Mostly Clear
Mostly clear, with a low around 20.
Sunday - 34°F
Dec 28, 2025
5 to 10 mph NW
Mostly Sunny
Mostly sunny, with a high near 34.
Sunday Night - 29°F
Dec 28, 2025
5 to 10 mph SW
Mostly Cloudy then Chance Light Snow
A chance of snow between 1am and 2am, then a chance of rain and snow between 2am and 5am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday - 40°F
Dec 29, 2025
10 to 15 mph S
Rain And Snow
Rain and snow. Cloudy, with a high near 40. Chance of precipitation is 90%.
Monday Night - 24°F
Dec 29, 2025
20 to 30 mph W
Light Rain Likely
Rain likely before 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Tuesday - 27°F
Dec 30, 2025
25 to 30 mph W
Partly Sunny
Partly sunny, with a high near 27.
Tuesday Night - 21°F
Dec 30, 2025
20 to 25 mph W
Partly Cloudy
Partly cloudy, with a low around 21.
Wednesday - 32°F
Dec 31, 2025
20 mph SW
Partly Sunny then Slight Chance Snow Showers
A slight chance of snow showers after 5pm. Partly sunny, with a high near 32.
Wednesday Night - 21°F
Dec 31, 2025
15 to 25 mph W
Slight Chance Snow Showers
A slight chance of snow showers. Mostly cloudy, with a low around 21.