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

48°F

9°C

Humidity 80%
Wind Speed S 8 mph
Barometer 30.37 in (1028.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Oct 5:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South wind 5 to 7 mph becoming calm.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. North wind around 14 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. North wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Northeast wind 6 to 9 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 41. North wind 3 to 5 mph.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. North wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 54 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North wind around 17 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. South wind 5 to 7 mph becoming calm.
Tuesday
Mostly sunny, with a high near 57. North wind around 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 41. North wind 11 to 14 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 53. Northeast wind 6 to 9 mph.
Wednesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 41. North wind 3 to 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 54. North wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 42. North wind around 17 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 59.
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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:
5:28 pm EDT Oct 19, 2026
Forecast Valid:
6pm EDT Oct 19, 2026-6pm EDT Oct 26, 2026
 
Forecast Discussion
 
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