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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Wind Chill43°F (6°C)
Last update 15 Apr 12:56 am EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 42. East wind around 5 mph becoming calm.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Scattered showers, mainly after 3pm. Patchy fog before 4pm. Otherwise, cloudy, with a high near 51. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 51 °F

    Patchy Fog
    then
    Scattered
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 42. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 47. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a low around 43. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 52. Northeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 44. Northeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 42. East wind around 5 mph becoming calm.
Wednesday
Scattered showers, mainly after 3pm. Patchy fog before 4pm. Otherwise, cloudy, with a high near 51. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 42. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 47. Southeast wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, mostly cloudy, with a low around 43. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers. Mostly cloudy, with a high near 52. Northeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain. Mostly cloudy, with a low around 44. Northeast wind around 5 mph. Chance of precipitation is 40%.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
Sunday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Monday
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 41.
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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:
10:21 pm EDT Apr 14, 2026
Forecast Valid:
1am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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