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

N/A

Humidity NA
Wind Speed NW 6 mph
Barometer 30.37 in
Dewpoint N/A
Visibility 10.00 mi
Last update 15 Mar 5:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Mostly sunny, with a high near 37. Northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 22 mph.

    High: 37 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Southeast wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Rain. High near 49. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 49 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 45. Windy, with a south wind 30 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 45 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: A chance of rain, mainly before 11am. Partly sunny, with a high near 46. Windy, with a southwest wind 23 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Breezy, with a west wind 17 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. West wind 10 to 17 mph, with gusts as high as 30 mph.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 37. Northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 31. Southeast wind 6 to 11 mph, with gusts as high as 22 mph.
Monday
Rain. High near 49. Breezy, with a south wind 18 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 45. Windy, with a south wind 30 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
A chance of rain, mainly before 11am. Partly sunny, with a high near 46. Windy, with a southwest wind 23 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 19. Breezy, with a west wind 17 to 22 mph, with gusts as high as 37 mph.
Wednesday
Sunny, with a high near 30. West wind 10 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
A slight chance of rain and snow before 11pm, then a slight chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 20%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 50%.
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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:
4:02 am EDT Mar 15, 2026
Forecast Valid:
6am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation