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

75°F

24°C

Humidity 48%
Wind Speed NW 8 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 1:51 pm EDT
Extended Forecast for

Peaks Island ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Northwest wind around 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. North wind around 10 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after noon. Mostly cloudy, with a high near 59. South wind 5 to 15 mph.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Northwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 50. North wind around 10 mph.
Saturday
Sunny, with a high near 60. North wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. South wind around 5 mph.
Sunday
A 40 percent chance of showers after noon. Mostly cloudy, with a high near 59. South wind 5 to 15 mph.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peaks Island ME
 43.66°N 70.21°W (Elev. 0 ft)
Last Update:
2:20 pm EDT Sep 18, 2026
Forecast Valid:
2pm EDT Sep 18, 2026-6pm EDT Sep 24, 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