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

63°F

17°C

Humidity 81%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Jul 7:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 55. South wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. South wind 3 to 7 mph.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 61. North wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 55. South wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the afternoon.
Wednesday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. South wind 3 to 7 mph.
Thursday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 61. North wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 71.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
4:02 pm EDT Jul 7, 2026
Forecast Valid:
8pm EDT Jul 7, 2026-6pm EDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation