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

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 30.37 in (1028.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 Sep 12:56 am EDT
Extended Forecast for

Islesboro ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. South wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 1am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 7am. Sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 55. South wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers after 3pm. Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph.
Thursday Night
Showers likely, mainly between 8pm and 1am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers before 7am. Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 64.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 65.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday
Partly sunny, with a high near 66.
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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:
4:36 pm EDT Sep 15, 2026
Forecast Valid:
1am EDT Sep 16, 2026-6pm EDT Sep 22, 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