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

26°F

-3°C

Humidity 88%
Wind Speed Calm
Barometer 30.61 in (1036.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 9 Apr 5:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Sunny, with a high near 41. South wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind around 11 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44. South wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before noon. Partly sunny, with a high near 47. Northwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. Northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 41. South wind 6 to 16 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 35. South wind around 11 mph.
Friday
Mostly sunny, with a high near 44. South wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain, mainly before noon. Partly sunny, with a high near 47. Northwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 47. Northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
5:45 am EDT Apr 9, 2026
Forecast Valid:
6am EDT Apr 9, 2026-6pm EDT Apr 15, 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