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

41°F

5°C

Humidity 62%
Wind Speed W 8 G 18 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 6 Apr 8:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Partly sunny, with a high near 42. West wind around 16 mph, with gusts as high as 29 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow, mainly after noon. Partly sunny, with a high near 37. North wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

    High: 37 °F

    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow Showers
    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: Mostly clear, with a low around 31. Southwest wind 5 to 8 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. South wind 9 to 18 mph, with gusts as high as 32 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 42. West wind around 16 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 28. West wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
A chance of snow, mainly after noon. Partly sunny, with a high near 37. North wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A slight chance of snow showers before 10pm. Partly cloudy, with a low around 24. Northwest wind 6 to 9 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
Mostly clear, with a low around 31. Southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 42. South wind 9 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Mostly cloudy, with a low around 38. Breezy.
Friday
Partly 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. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
4:03 am EDT Apr 6, 2026
Forecast Valid:
9am EDT Apr 6, 2026-6pm EDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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