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

85°F

29°C

Humidity 50%
Wind Speed SW 10 G 17 mph
Barometer 29.74 in (1007.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 May 11:56 am EDT
Extended Forecast for

Southwest Harbor ME

  • This Afternoon

    This Afternoon: Isolated showers after 2pm. Mostly sunny, with a high near 77. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 77 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northwest wind 7 to 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northwest wind around 8 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Saturday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated showers after 2pm. Mostly sunny, with a high near 77. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 50. Northwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 65. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Memorial Day
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Southwest Harbor ME
 44.27°N 68.34°W (Elev. 49 ft)
Last Update:
5:25 am EDT May 20, 2026
Forecast Valid:
12pm EDT May 20, 2026-6pm EDT May 26, 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