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.

A Few Clouds

64°F

18°C

Humidity 45%
Wind Speed E 7 mph
Barometer 30.41 in (1029.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 22 Sep 3:51 pm EDT
Extended Forecast for

Chebeague Island ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 46. Light and variable wind becoming northeast 5 to 10 mph after midnight.

    Low: 46 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 59. Northeast wind 10 to 15 mph becoming east in the afternoon.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. East wind 5 to 10 mph becoming north after midnight.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North wind around 10 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Light northeast wind becoming north 5 to 10 mph after midnight.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 61. Breezy.

    High: 61 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 46. Light and variable wind becoming northeast 5 to 10 mph after midnight.
Wednesday
Sunny, with a high near 59. Northeast wind 10 to 15 mph becoming east in the afternoon.
Wednesday Night
Clear, with a low around 45. East wind 5 to 10 mph becoming north after midnight.
Thursday
Sunny, with a high near 61. North wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 52. Light northeast wind becoming north 5 to 10 mph after midnight.
Friday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 54. Breezy.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 61. Breezy.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. Breezy.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 61. Breezy.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54. Breezy.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chebeague Island ME
 43.73°N 70.13°W (Elev. 7 ft)
Last Update:
2:24 pm EDT Sep 22, 2026
Forecast Valid:
4pm EDT Sep 22, 2026-6pm EDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation