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.

Mostly Cloudy

33°F

1°C

Humidity 66%
Wind Speed NW 9 G 16 mph
Barometer 29.73 in (1007.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Nov 5:56 am EST
Extended Forecast for

Castine ME

  • Today

    Today: Sunny, with a high near 39. Breezy, with a west wind 17 to 22 mph, with gusts as high as 37 mph.

    High: 39 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 31. West wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 3pm. Mostly cloudy, with a high near 47. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 9pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of snow showers before 9am. Mostly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 39. Breezy, with a west wind 17 to 22 mph, with gusts as high as 37 mph.
Tonight
Clear, with a low around 31. West wind 8 to 14 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 40. West wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 42. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 36. Light and variable wind.
Friday
Rain likely, mainly after 3pm. Mostly cloudy, with a high near 47. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Saturday
A slight chance of snow showers before 9am. Mostly sunny, with a high near 41. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
12:44 am EST Nov 18, 2025
Forecast Valid:
6am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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