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.

Overcast

44°F

7°C

Humidity 79%
Wind Speed SW 10 mph
Barometer 29.86 in (1011.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Nov 6:56 pm EST
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 39. Southwest wind around 8 mph.

    High: 39 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Northwest wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 39. Southwest wind around 8 mph.
Sunday Night
Mostly cloudy, with a low around 32. Northwest wind around 6 mph.
Monday
Mostly sunny, with a high near 40. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 31. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 40. Chance of precipitation is 60%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
Wednesday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Thanksgiving Day
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 38.
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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:
5:21 pm EST Nov 21, 2025
Forecast Valid:
8pm EST Nov 21, 2025-6pm EST Nov 28, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation