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.

Fog

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in (1013.0 mb)
Dewpoint 64°F (18°C)
Visibility 0.25 mi
Last update 20 Aug 5:56 am EDT
Extended Forecast for

South Princeton ME

Dense Fog Advisory August 20, 06:51am until August 20, 07:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory August 20, 06:51am until August 20, 07:00am

    NOW until 7:00am Thu

    Dense Fog Advisory

  • Today

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 56. Calm wind.

    Low: 56 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 80. Light north wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 11pm. Low around 60. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 82. Calm wind becoming west around 5 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 56. Calm wind.
Friday
Sunny, with a high near 80. Light north wind.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers, with thunderstorms also possible after 11pm. Low around 60. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
A slight chance of showers before 9pm. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Princeton ME
 45.16°N 67.5°W (Elev. 223 ft)
Last Update:
4:01 am EDT Aug 20, 2026
Forecast Valid:
6am EDT Aug 20, 2026-6pm EDT Aug 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