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.

Mostly Cloudy

78°F

26°C

Humidity 39%
Wind Speed NW 10 G 21 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Aug 2:51 pm EDT
Extended Forecast for

Long Island ME

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming north after midnight.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Light and variable wind becoming south 10 to 15 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain, mainly after 11pm. Low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain before 11am, then a chance of showers between 11am and 2pm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Rain then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 72. Northwest wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming north after midnight.
Sunday
Mostly sunny, with a high near 69. Light and variable wind becoming south 10 to 15 mph in the afternoon.
Sunday Night
Rain, mainly after 11pm. Low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
Rain before 11am, then a chance of showers between 11am and 2pm. High near 70. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 72.
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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:
2:16 pm EDT Aug 14, 2026
Forecast Valid:
3pm EDT Aug 14, 2026-6pm EDT Aug 21, 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