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

Hazardous Weather Conditions

Current conditions at

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

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Overcast

69°F

21°C

Humidity 96%
Wind Speed SW 9 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 28 Aug 6:56 am EDT
Extended Forecast for

Prospect Harbor ME

Dense Fog Advisory until August 28, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until August 28, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 73 °F

    Chance
    T-storms and
    Patchy Dense
    Fog

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Patchy fog. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 59. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 5 to 7 mph becoming southwest in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. West wind 3 to 6 mph.

    Low: 57 °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 9pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 75. Northwest wind around 6 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 3pm. Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 73. South wind 5 to 9 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Patchy fog. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 59. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 79. North wind 5 to 7 mph becoming southwest in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. 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 9pm. Mostly cloudy, with a low around 59. Southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 75. Northwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Wednesday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prospect Harbor ME
 44.43°N 68.02°W (Elev. 75 ft)
Last Update:
5:43 am EDT Aug 28, 2026
Forecast Valid:
7am EDT Aug 28, 2026-6pm EDT Sep 3, 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