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

42°F

6°C

Humidity 38%
Wind Speed SW 18 G 26 mph
Barometer 29.57 in (1001.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Mar 4:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Breezy, with a west wind 18 to 22 mph, with gusts as high as 37 mph.

    Low: 19 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 30. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. South wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. South wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. South wind 7 to 9 mph.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 40. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 8pm, then a chance of rain between 8pm and 11pm, then a chance of rain and snow after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Breezy, with a west wind 18 to 22 mph, with gusts as high as 37 mph.
Wednesday
Sunny, with a high near 30. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 25. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 34. South wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 31. South wind 7 to 9 mph.
Friday
A chance of snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 40. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 2am, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow before 8pm, then a chance of rain between 8pm and 11pm, then a chance of rain and snow after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Sunday
A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 39. Breezy. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 37. Breezy. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 21. Blustery.
Tuesday
Sunny, with a high near 36.
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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:
4:03 pm EDT Mar 17, 2026
Forecast Valid:
5pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation