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.

Fair

49°F

9°C

Humidity 83%
Wind Speed Calm
Barometer 30.38 in (1028.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 10:51 pm EDT
Extended Forecast for

Long Island ME

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northeast wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 57. East wind 5 to 10 mph.

    High: 57 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers before midnight, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Clear, with a low around 45. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Northeast wind around 5 mph.
Sunday
Increasing clouds, with a high near 57. East wind 5 to 10 mph.
Sunday Night
A chance of showers before midnight, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a southwest wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon.
Monday Night
Clear, with a low around 45. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Island ME
 43.69°N 70.17°W (Elev. 0 ft)
Last Update:
2:58 pm EDT Oct 3, 2026
Forecast Valid:
11pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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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