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

31°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.09 in (1019.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Nov 1:56 am EST
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Clear, with a low around 31. West wind around 7 mph.

    Low: 31 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 40. West wind 6 to 8 mph.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. North wind 3 to 6 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Light and variable wind.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 45. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 38. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of showers before 10am. Mostly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 31. West wind around 7 mph.
Wednesday
Sunny, with a high near 40. West wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 28. North wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 40. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 33. Light south wind.
Friday
A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 45. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 38. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 10am. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 42. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
12:44 am EST Nov 19, 2025
Forecast Valid:
2am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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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