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

60°F

16°C

Humidity 65%
Wind Speed S 10 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 7:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 3am and 4am. Partly cloudy, with a low around 50. North wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly between 10am and 3pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 58. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. North wind 5 to 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after noon. Partly sunny, with a high near 55. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 44. South wind 7 to 10 mph becoming southeast after midnight. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 71. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers between 3am and 4am. Partly cloudy, with a low around 50. North wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly between 10am and 3pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 58. North wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 44. North wind 5 to 9 mph.
Friday
A slight chance of showers after noon. Partly sunny, with a high near 55. Light and variable wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 44. South wind 7 to 10 mph becoming southeast after midnight. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
7:12 pm EDT May 26, 2026
Forecast Valid:
9pm EDT May 26, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
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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