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

57°F

14°C

Humidity 37%
Wind Speed N 10 G 16 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 15 Oct 3:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Rain, mainly after 9am. High near 59. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain likely before 9pm, then scattered showers between 9pm and 2am. Mostly cloudy, with a low around 42. Breezy, with a southwest wind 13 to 20 mph becoming northwest after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely
    then Isolated
    Showers and
    Breezy

  • Saturday

    Saturday: Isolated showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 47 °F

    Isolated
    Showers then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. West wind 6 to 8 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Rain, mainly after 9am. High near 59. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 9pm, then scattered showers between 9pm and 2am. Mostly cloudy, with a low around 42. Breezy, with a southwest wind 13 to 20 mph becoming northwest after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Isolated showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 34. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 51. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 42. South wind around 5 mph.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 54.
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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:
4:01 pm EDT Oct 15, 2026
Forecast Valid:
4pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation