Station CASM1 - 8418150 - Portland, ME
December 5, 2025 1:30 pm ESTLocation: 43.656N 70.246W
Wind Direction: S (190°)
Wind Speed: 5.1 knots
Wind Gust: 7.0 knots
Atmospheric Pressure: 30.16 in (1021.5 mb)
Air Temperature: 23.0°F (-5.0°C)
Water Temperature: 42.4°F (5.8°C)
This Afternoon - 27°F
Dec 05, 2025
10 to 15 mph SW
Sunny
Sunny, with a high near 27. Southwest wind 10 to 15 mph.
Tonight - 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 W
Chance Light Snow
A chance of snow between 9am and 3pm, then a chance of rain and snow. Cloudy, with a high near 37. West wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Saturday Night - 27°F
Dec 06, 2025
10 mph W
Slight Chance Rain And Snow then Partly Cloudy
A slight chance of rain and snow before 7pm. Partly cloudy, with a low around 27. West wind around 10 mph.
Sunday - 33°F
Dec 07, 2025
5 to 10 mph N
Partly Sunny
Partly sunny, with a high near 33. North wind 5 to 10 mph.
Sunday Night - 21°F
Dec 07, 2025
5 to 15 mph N
Chance Snow Showers then Snow Likely
A chance of snow showers between 8pm and 10pm, then snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday - 25°F
Dec 08, 2025
15 to 20 mph NW
Chance Light Snow then Mostly Sunny
A chance of snow before 7am, then a slight chance of snow showers between 7am and 8am. Mostly sunny, with a high near 25. Chance of precipitation is 30%. New snow accumulation of 1 to 2 inches possible.
Monday Night - 15°F
Dec 08, 2025
10 to 20 mph NW
Mostly Clear
Mostly clear, with a low around 15.
Tuesday - 31°F
Dec 09, 2025
10 to 20 mph W
Mostly Sunny
Mostly sunny, with a high near 31.
Tuesday Night - 27°F
Dec 09, 2025
15 to 20 mph SW
Chance Snow Showers
A chance of snow showers between 7pm and 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday - 42°F
Dec 10, 2025
15 mph SW
Mostly Cloudy then Chance Rain And Snow
A chance of rain and snow after noon. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Wednesday Night - 35°F
Dec 10, 2025
15 mph SW
Light Rain Likely then Rain And Snow Likely
Rain likely before 3am, then rain and snow likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday - 40°F
Dec 11, 2025
15 to 20 mph W
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Thursday Night - 29°F
Dec 11, 2025
15 to 20 mph W
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a low around 29.