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

66°F

19°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 15 Jul 11:56 pm EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 1am and 3am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Patchy fog. Otherwise, mostly cloudy, with a high near 64. South wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 64 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 71. Northwest wind 8 to 10 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North wind 5 to 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 59. Calm wind.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A slight chance of showers between 1am and 3am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Patchy fog. Otherwise, mostly cloudy, with a high near 64. South wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. South wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 71. Northwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 56. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A slight chance of showers before 9am. Mostly cloudy, with a high near 66. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 67.
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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:
8:53 pm EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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