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.

Overcast

70°F

21°C

Humidity 97%
Wind Speed SW 10 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 28 Aug 11:56 am EDT
Extended Forecast for

Southwest Harbor ME

  • This Afternoon

    This Afternoon: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of thunderstorms after 4pm. Mostly cloudy, with a high near 75. South wind around 8 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Areas of fog before 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 61. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms and
    Areas Fog
    then Areas
    Fog

  • Saturday

    Saturday: Sunny, with a high near 78. North wind 6 to 8 mph becoming southwest in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. West wind 3 to 6 mph.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 76. West wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of thunderstorms after 4pm. Mostly cloudy, with a high near 75. South wind around 8 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Areas of fog before 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 61. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 78. North wind 6 to 8 mph becoming southwest in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. West wind 3 to 6 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76. West wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 72. 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:
5:43 am EDT Aug 28, 2026
Forecast Valid:
12pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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