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

57°F

14°C

Humidity 81%
Wind Speed E 14 G 22 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 14 May 12:51 pm EDT
Extended Forecast for

Long Island ME

  • This Afternoon

    This Afternoon: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 52. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain and possibly a thunderstorm. Low around 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 47 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain, mainly before 2pm. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 47. West wind around 5 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers between 11am and 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 52. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm. Low around 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Rain, mainly before 2pm. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 47. West wind around 5 mph.
Saturday
Sunny, with a high near 60. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A chance of showers between 11am and 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Island ME
 43.69°N 70.17°W (Elev. 0 ft)
Last Update:
6:20 am EDT May 14, 2026
Forecast Valid:
1pm EDT May 14, 2026-6pm EDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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