National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

74°F

23°C

Humidity 60%
Wind Speed W 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 May 8:51 am EDT
Extended Forecast for

Bustins Island ME

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 73. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 73 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 64. Southwest wind around 10 mph.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind 10 to 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. Northwest wind 10 to 15 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 10am. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 73. South wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 64. Southwest wind around 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind 10 to 15 mph.
Thursday
Sunny, with a high near 58. Northwest wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A 40 percent chance of showers after 10am. Mostly cloudy, with a high near 55.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 54.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bustins Island ME
 43.79°N 70.08°W (Elev. 0 ft)
Last Update:
6:33 am EDT May 19, 2026
Forecast Valid:
9am EDT May 19, 2026-6pm EDT May 25, 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