Station CASM1 - 8418150 - Portland, ME
December 4, 2025 1:30 pm ESTLocation: 43.656N 70.246W
Wind Direction: WSW (250°)
Wind Speed: 8.9 knots
Wind Gust: 17.1 knots
Atmospheric Pressure: 29.72 in (1006.3 mb)
Air Temperature: 38.8°F (3.8°C)
Water Temperature: 43.5°F (6.4°C)
This Afternoon - 39°F
Dec 04, 2025
25 to 30 mph W
Light Snow Likely
Snow likely. Partly sunny. High near 39, with temperatures falling to around 30 in the afternoon. West wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Tonight - 12°F
Dec 04, 2025
15 to 30 mph NW
Chance Light Snow then Mostly Clear
A chance of snow before 7pm. Mostly clear, with a low around 12. Wind chill values as low as -5. Northwest wind 15 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Friday - 27°F
Dec 05, 2025
5 to 15 mph W
Sunny
Sunny, with a high near 27. Wind chill values as low as -1. West wind 5 to 15 mph.
Friday Night - 23°F
Dec 05, 2025
5 to 15 mph W
Partly Cloudy
Partly cloudy, with a low around 23. West wind 5 to 15 mph.
Saturday - 37°F
Dec 06, 2025
5 to 10 mph SW
Chance Snow Showers
A chance of snow showers between 7am and 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Saturday Night - 28°F
Dec 06, 2025
10 mph W
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 28.
Sunday - 34°F
Dec 07, 2025
10 mph N
Partly Sunny
Partly sunny, with a high near 34.
Sunday Night - 21°F
Dec 07, 2025
10 to 15 mph N
Chance Light Snow
A chance of snow after 8pm. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Monday - 26°F
Dec 08, 2025
15 to 20 mph NW
Chance Light Snow then Mostly Sunny
A chance of snow before 10am. Mostly sunny, with a high near 26. Chance of precipitation is 30%.
Monday Night - 15°F
Dec 08, 2025
10 to 20 mph NW
Mostly Clear
Mostly clear, with a low around 15.
Tuesday - 33°F
Dec 09, 2025
10 to 20 mph W
Partly Sunny
Partly sunny, with a high near 33.
Tuesday Night - 27°F
Dec 09, 2025
10 to 20 mph SW
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday - 37°F
Dec 10, 2025
10 mph SW
Slight Chance Light Snow
A slight chance of snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 37.
Wednesday Night - 32°F
Dec 10, 2025
10 to 15 mph SW
Chance Rain And Snow
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32.