Station CASM1 - 8418150 - Portland, ME
December 25, 2025 6:48 pm ESTLocation: 43.656N 70.246W
Wind Direction: NW (320°)
Wind Speed: 13.0 knots
Wind Gust: 22.9 knots
Atmospheric Pressure: 29.92 in (1013.1 mb)
Water Temperature: 37.8°F (3.2°C)
Tonight - 13°F
Dec 25, 2025
20 to 30 mph NW
Freezing Spray
Freezing spray after 8pm. 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
Freezing Spray
Freezing spray before 5pm. 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. Chance of precipitation is 20%.
Saturday - 24°F
Dec 27, 2025
10 to 15 mph N
Mostly Cloudy
Mostly cloudy, with a high near 24. Wind chill values as low as 0. 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. Northwest wind around 10 mph.
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.
New Year's Day - 29°F
Jan 01, 2026
15 to 20 mph W
Slight Chance Snow Showers
A slight chance of snow showers. Partly sunny, with a high near 29.