Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

70°F

21°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 30 Jun 10:51 pm EDT
Extended Forecast for

Long Island ME

Extreme Heat Watch July 2, 11:00am until July 2, 08:00pm
Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 63. South wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 10am.  Mostly sunny, with a high near 77. South wind 10 to 15 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. South wind around 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. West wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 77. South wind 10 to 15 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 70. South wind around 10 mph.
Thursday
Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 72. West wind 5 to 10 mph.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 69.
Independence Day
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Island ME
 43.67°N 70.17°W (Elev. 0 ft)
8:21 pm EDT Jun 30, 2026
11pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026
 
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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