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

Rockland, Knox County Regional Airport (KRKD)

Lat: 44.07°NLon: 69.1°WElev: 56ft.

Fair

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.22 in (1023.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 8 Sep 7:56 pm EDT
Extended Forecast for

Islesboro ME

  • Tonight

    Tonight: Mostly clear, with a low around 52. North wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 68. Light east wind becoming south 5 to 10 mph in the morning.

    High: 68 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 2am. Low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. North wind around 5 mph becoming calm.
Wednesday
Increasing clouds, with a high near 68. Light east wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Showers, with thunderstorms also possible after 2am. Low around 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 30 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Islesboro ME
 44.31°N 68.91°W (Elev. 7 ft)
Last Update:
2:27 pm EDT Sep 8, 2026
Forecast Valid:
8pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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