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

64°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 29.86 in (1011.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 8:51 pm EDT
Extended Forecast for

Littlejohn Island ME

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy dense fog. Otherwise, cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then clearing, with a high near 75. South wind 5 to 15 mph.

    High: 75 °F

    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Partly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy dense fog. Otherwise, cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 71. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph.
Tuesday
Cloudy through mid morning, then clearing, with a high near 75. South wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 7am. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Littlejohn Island ME
 43.75°N 70.12°W (Elev. 0 ft)
Last Update:
7:04 pm EDT Aug 23, 2026
Forecast Valid:
9pm EDT Aug 23, 2026-6pm EDT Aug 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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