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

Bar Harbor, Hancock County-Bar Harbor Airport (KBHB)

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Mostly Cloudy

61°F

16°C

Humidity 70%
Wind Speed N 8 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 21 Sep 10:56 am EDT
Extended Forecast for

Deer Isle ME

  • Today

    Today: Mostly sunny, with a high near 67. North wind 6 to 8 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. North wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 64. North wind 5 to 9 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 47. Calm wind becoming northeast around 6 mph after midnight.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 63. East wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Light northeast wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 64. East wind around 6 mph.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 20%.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 67. North wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 47. North wind 6 to 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 64. North wind 5 to 9 mph.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 47. Calm wind becoming northeast around 6 mph after midnight.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 63. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Light northeast wind.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 64. East wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A slight chance of showers after noon. Mostly cloudy, with a high near 65. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Deer Isle ME
 44.21°N 68.69°W (Elev. 92 ft)
Last Update:
5:02 am EDT Sep 21, 2026
Forecast Valid:
11am EDT Sep 21, 2026-6pm EDT Sep 27, 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