Station CASM1 - 8418150 - Portland, ME
May 21, 2025 12:48 pm EDTLocation: 43.656N 70.246W
Wind Direction: E (90°)
Wind Speed: 17.1 knots
Wind Gust: 20.0 knots
Atmospheric Pressure: 30.09 in (1018.9 mb)
Water Temperature: 51.1°F (10.6°C)
This Afternoon - 52°F
May 21, 2025
15 mph E
Mostly Cloudy
Mostly cloudy, with a high near 52. East wind around 15 mph, with gusts as high as 30 mph.
Tonight - 46°F
May 21, 2025
10 to 15 mph E
Cloudy then Slight Chance Light Rain
A slight chance of rain after 1am. Cloudy, with a low around 46. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday - 50°F
May 22, 2025
15 to 25 mph E
Light Rain
Rain. Cloudy, with a high near 50. East wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 45°F
May 22, 2025
25 mph NE
Light Rain
Rain. Cloudy, with a low around 45. Northeast wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%.
Friday - 50°F
May 23, 2025
10 to 20 mph N
Light Rain
Rain. Cloudy, with a high near 50. North wind 10 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Friday Night - 46°F
May 23, 2025
5 to 10 mph W
Chance Light Rain then Chance Rain Showers
A chance of rain before 8pm, then a chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday - 53°F
May 24, 2025
5 mph NW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 53. Chance of precipitation is 50%.
Saturday Night - 47°F
May 24, 2025
5 mph NW
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 8pm. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Sunday - 58°F
May 25, 2025
5 to 10 mph NW
Partly Sunny
Partly sunny, with a high near 58.
Sunday Night - 48°F
May 25, 2025
5 mph NW
Partly Cloudy
Partly cloudy, with a low around 48.
Memorial Day - 61°F
May 26, 2025
5 mph SW
Mostly Sunny
Mostly sunny, with a high near 61.
Monday Night - 49°F
May 26, 2025
5 mph W
Partly Cloudy
Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Tuesday - 58°F
May 27, 2025
5 to 10 mph E
Slight Chance Rain Showers
A slight chance of rain showers after 8am. Mostly sunny, with a high near 58. Chance of precipitation is 40%.
Tuesday Night - 49°F
May 27, 2025
5 mph SE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.