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

49°F

9°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Apr 7:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: A chance of rain before midnight, then a chance of rain after 3am. Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, cloudy, with a low around 43. Light south wind. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely before 8am, then showers likely, mainly between 8am and 3pm. Areas of fog. Otherwise, cloudy, with a high near 47. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely
    and Areas Fog

  • Thursday Night

    Thursday Night: Showers. Areas of fog. Low around 43. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers and
    Areas Fog

  • Friday

    Friday: Showers likely, mainly before 8am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers
    Likely and
    Areas Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 49. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 49 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of rain before midnight, then a chance of rain after 3am. Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, cloudy, with a low around 43. Light south wind. Chance of precipitation is 30%.
Thursday
Rain likely before 8am, then showers likely, mainly between 8am and 3pm. Areas of fog. Otherwise, cloudy, with a high near 47. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers. Areas of fog. Low around 43. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers likely, mainly before 8am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. North wind around 6 mph.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 49. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 41. Southeast wind around 6 mph. Chance of precipitation is 40%.
Sunday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Sunday Night
Rain likely before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Monday
A chance of snow, mainly before 9am. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 44.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
A chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
7:08 pm EDT Apr 15, 2026
Forecast Valid:
8pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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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