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.

Unknown Precip Fog/Mist

29°F

-2°C

Humidity 89%
Wind Speed Calm
Barometer 30.36 in (1028.2 mb)
Dewpoint 26°F (-3°C)
Visibility 4.00 mi
Last update 7 Mar 3:56 am EST
Extended Forecast for

Castine ME

  • Today

    Today: Rain likely, mainly between 9am and 1pm. Areas of fog before 1pm. Otherwise, cloudy, with a high near 42. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain Likely
    and Areas Fog
    then Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain, mainly after 10pm. Patchy fog after 2am. Low around 38. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Breezy
    then Rain and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 48. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49. South wind 9 to 18 mph, with gusts as high as 32 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. West wind 6 to 8 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Today
Rain likely, mainly between 9am and 1pm. Areas of fog before 1pm. Otherwise, cloudy, with a high near 42. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly after 10pm. Patchy fog after 2am. Low around 38. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 48. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 49. South wind 9 to 18 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 53. West wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 38. Breezy. Chance of precipitation is 60%.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 34.
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:
3:03 am EST Mar 7, 2026
Forecast Valid:
4am EST Mar 7, 2026-6pm EDT Mar 13, 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