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

46°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.08 in (1018.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 17 Apr 10:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Northeast wind 3 to 5 mph.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 50. East wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 11pm, then a chance of rain, mainly between 11pm and 4am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 41. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 10am. Areas of fog. High near 42. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain, mainly before 11pm. Low around 33. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind around 11 mph, with gusts as high as 22 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. North wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 44. Northeast wind 3 to 5 mph.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 50. East wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A chance of showers before 11pm, then a chance of rain, mainly between 11pm and 4am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 41. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday
Rain, mainly after 10am. Areas of fog. High near 42. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 11pm. Low around 33. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 45. West wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 30. North wind around 7 mph.
Tuesday
Sunny, with a high near 43.
Tuesday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.
Wednesday
A chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 35. Chance of precipitation is 20%.
Thursday
A slight chance of rain. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 49.
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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:
10:57 pm EDT Apr 17, 2026
Forecast Valid:
11pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation