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.

Mostly Cloudy

49°F

9°C

Humidity 36%
Wind Speed NW 16 G 29 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Apr 3:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind 10 to 18 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 47. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain, mainly after 3am. Low around 38. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain, mainly before 2pm. High near 51. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 48. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northwest wind around 7 mph becoming south in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly between 11pm and 1am. Mostly cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Northwest wind 10 to 18 mph, with gusts as high as 32 mph.
Sunday
Increasing clouds, with a high near 47. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain, mainly after 3am. Low around 38. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 2pm. High near 51. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 48. Southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 57. Northwest wind around 7 mph becoming south in the afternoon.
Tuesday Night
Rain likely, mainly between 11pm and 1am. Mostly cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A slight chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 20%.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 52.
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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 Apr 11, 2026
Forecast Valid:
4pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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Chance of Precipitation