National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

54°F

12°C

Humidity 67%
Wind Speed Calm
Barometer 30.20 in (1022.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Oct 5:51 pm EDT
Extended Forecast for

Cousins Island ME

  • Tonight

    Tonight: Scattered showers before 10pm, then rain, mainly after 10pm. Low around 49. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Columbus Day

    Columbus Day: Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 46. North wind 5 to 10 mph.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Rain. High near 55. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then showers, mainly between 11pm and 2am. Low around 53. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers before 10pm, then rain, mainly after 10pm. Low around 49. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 46. North wind 5 to 10 mph.
Tuesday
Rain. High near 55. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Rain before 11pm, then showers, mainly between 11pm and 2am. Low around 53. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Showers likely, mainly after 3pm. Partly sunny, with a high near 57. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 53. Windy.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 51. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cousins Island ME
 43.76°N 70.15°W (Elev. 3 ft)
Last Update:
2:22 pm EDT Oct 11, 2026
Forecast Valid:
6pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation