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

65°F

18°C

Humidity 68%
Wind Speed S 10 G 21 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Jun 1:51 pm EDT
Extended Forecast for

Little Diamond Island Landing ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. South wind around 10 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy drizzle after midnight. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 55. South wind 5 to 10 mph.

    Low: 55 °F

    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Southeast wind 5 to 10 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 8pm. Cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 69. South wind 5 to 10 mph.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 62 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. South wind around 10 mph.
Tonight
Patchy drizzle after midnight. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 55. South wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 65. Southeast wind 5 to 10 mph.
Tuesday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 69. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 62.
Juneteenth
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Little Diamond Island Landing ME
 43.66°N 70.21°W (Elev. 0 ft)
Last Update:
10:38 am EDT Jun 16, 2025
Forecast Valid:
2pm EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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