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

46°F

8°C

Humidity 77%
Wind Speed NW 3 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Oct 6:56 am EDT
Extended Forecast for

Southwest Harbor ME

  • Today

    Today: Sunny, with a high near 57. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Rain, mainly after 10am. High near 57. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain, mainly before 1am. Low around 43. South wind around 16 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 9am. Mostly sunny, with a high near 48. Breezy, with a northwest wind 18 to 21 mph. Chance of precipitation is 30%.

    High: 48 °F

    Breezy.
    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming light and variable after midnight.
Friday
Rain, mainly after 10am. High near 57. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain, mainly before 1am. Low around 43. South wind around 16 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain, mainly before 9am. Mostly sunny, with a high near 48. Breezy, with a northwest wind 18 to 21 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 36. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 52. West wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Southwest Harbor ME
 44.27°N 68.34°W (Elev. 49 ft)
Last Update:
4:01 am EDT Oct 15, 2026
Forecast Valid:
7am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation