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.

Fair

60°F

16°C

Humidity 48%
Wind Speed E 8 mph
Barometer 30.31 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 4 Oct 1:56 pm EDT
Extended Forecast for

South Deer Isle ME

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 60. East wind around 8 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: Scattered showers, mainly between midnight and 3am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 49 °F

    Patchy Fog
    then
    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Isolated showers between 2pm and 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 64 °F

    Isolated
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. West wind 14 to 16 mph, with gusts as high as 30 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Light west wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 60. East wind around 8 mph.
Tonight
Scattered showers, mainly between midnight and 3am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Monday
Isolated showers between 2pm and 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 43. West wind 13 to 15 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 58. West wind 14 to 16 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 43. West wind 5 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 60. Light west wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Deer Isle ME
 44.19°N 68.67°W (Elev. 7 ft)
Last Update:
12:27 pm EDT Oct 4, 2026
Forecast Valid:
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation