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.

Light Rain

43°F

6°C

Humidity 89%
Wind Speed SW 3 mph
Barometer 29.62 in (1003.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 9 Nov 1:51 am EST
Extended Forecast for

Little Diamond Island Landing ME

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 44. Southwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 55. West wind around 5 mph. Chance of precipitation is 20%.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Northwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. West wind 5 to 10 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. West wind around 10 mph.

    Low: 43 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 44. Southwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 55. West wind around 5 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 41. Northwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 52. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 43. West wind around 10 mph.
Veterans Day
Sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 49.
Thursday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 38.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 39. Breezy. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Little Diamond Island Landing ME
 43.66°N 70.21°W (Elev. 0 ft)
Last Update:
1:59 am EST Nov 9, 2026
Forecast Valid:
2am EST Nov 9, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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