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

33°F

1°C

Humidity 56%
Wind Speed W 3 mph
Barometer 30.00 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 6 Apr 9:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly clear, with a low around 29. Northwest wind 6 to 9 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow, mainly after 10am. Mostly sunny, with a high near 36. North wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 38. Northwest wind around 9 mph becoming southwest in the afternoon.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 31. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 42. South wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. South wind 11 to 14 mph.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Northwest wind 6 to 9 mph.
Tuesday
A chance of snow, mainly after 10am. Mostly sunny, with a high near 36. North wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A slight chance of snow before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 38. Northwest wind around 9 mph becoming southwest in the afternoon.
Wednesday Night
Clear, with a low around 31. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 42. South wind 10 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 38. South wind 11 to 14 mph.
Friday
Mostly sunny, with a high near 49.
Friday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Saturday
A slight chance of rain before 1pm. Mostly sunny, with a high near 53. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 49.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Monday
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:
7:07 pm EDT Apr 6, 2026
Forecast Valid:
10pm EDT Apr 6, 2026-6pm EDT Apr 13, 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