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

38°F

3°C

Humidity 68%
Wind Speed E 9 mph
Barometer 30.15 in (1021.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Mar 10:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: A chance of rain. Mostly cloudy, with a high near 37. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Chance Rain

  • Tonight

    Tonight: Rain, with thunderstorms also possible after 11pm. Low around 37. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Rain

  • Thursday

    Thursday: Rain likely before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy. Rain
    Likely then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 15 to 18 mph, with gusts as high as 32 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 37. West wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow before 2am, then rain. Low around 33. South wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow likely before 9am, then a chance of rain between 9am and 1pm. Partly sunny, with a high near 39. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    High: 39 °F

    Breezy.
    Rain/Snow
    Likely then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
A chance of rain. Mostly cloudy, with a high near 37. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, with thunderstorms also possible after 11pm. Low around 37. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 15 to 18 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 37. West wind around 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Rain likely, possibly mixed with snow before 2am, then rain. Low around 33. South wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain and snow likely before 9am, then a chance of rain between 9am and 1pm. Partly sunny, with a high near 39. Breezy, with a west wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 26. Breezy.
Sunday
Partly sunny, with a high near 37.
Sunday Night
A slight chance of snow before 10pm, then rain likely, possibly mixed with snow. Cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Rain. High near 49. Windy. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 31. Windy. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 35.
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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:
10:27 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 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