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

43°F

6°C

Humidity 82%
Wind Speed NW 12 G 22 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 11 Apr 7:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Mostly sunny, with a high near 47. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.

    High: 47 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 35. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 39. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain, mainly before 2pm. High near 52. Breezy, with a south wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 49. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 47. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 36 mph.
Tonight
Mostly clear, with a low around 35. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 48. Northwest wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 39. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 2pm. High near 52. Breezy, with a south wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 49. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 58. Northwest wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A slight chance of rain. Mostly sunny, with a high near 55. 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:
4:03 am EDT Apr 11, 2026
Forecast Valid:
8am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
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