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.

Overcast

56°F

13°C

Humidity 44%
Wind Speed S 9 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Mar 12:51 pm EDT
Extended Forecast for

Little Diamond Island Landing ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. South wind around 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 36. Calm wind becoming northeast around 5 mph in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Cloudy, with a high near 42. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 42 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 5am. Cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 36. Calm wind becoming northeast around 5 mph in the evening.
Wednesday
Rain likely, mainly after 11am. Cloudy, with a high near 42. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
Rain likely, mainly before 5am. Cloudy, with a low around 39. Chance of precipitation is 70%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 38.
Friday Night
Snow likely after 7pm, mixing with rain after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 41. Breezy.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 41.
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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:
6:51 am EDT Mar 9, 2026
Forecast Valid:
1pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation