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.

Partly Cloudy

38°F

3°C

Humidity 89%
Wind Speed S 16 G 22 mph
Barometer 30.45 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 9 Apr 11:56 pm EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Partly cloudy, with a low around 36. South wind around 15 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. South wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain. Low around 40. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Northwest wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39. South wind 10 to 15 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. South wind around 15 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 44. South wind 10 to 14 mph, with gusts as high as 25 mph.
Friday Night
Rain. Low around 40. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 34. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 48. Northwest wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39. South wind 10 to 15 mph. Chance of precipitation is 50%.
Monday
Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Cloudy, with a low around 43. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
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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:
10:50 pm EDT Apr 9, 2026
Forecast Valid:
12am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation