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

35°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 35°F (2°C)
Visibility 1.75 mi
Last update 1 Apr 2:56 am EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Rain. Patchy fog. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain between 8am and 9am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 46. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 37. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of sleet before 3am, then rain and sleet likely. Cloudy, with a low around 33. East wind 6 to 9 mph. Chance of precipitation is 60%. Little or no sleet accumulation expected.

    Low: 33 °F

    Chance Sleet
    then
    Rain/Sleet
    Likely

  • Friday

    Friday: Rain likely, mainly before 9am. Cloudy, with a high near 42. Southeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. South wind around 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm. Cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Patchy fog. Low around 34. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain between 8am and 9am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 46. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 30. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, with a high near 37. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of sleet before 3am, then rain and sleet likely. Cloudy, with a low around 33. East wind 6 to 9 mph. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Friday
Rain likely, mainly before 9am. Cloudy, with a high near 42. Southeast wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 42. South wind around 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 46.
Saturday Night
A chance of rain, mainly after 11pm. Cloudy, with a low around 36. Chance of precipitation is 40%.
Sunday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
A slight chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 42.
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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:
2:30 am EDT Apr 1, 2026
Forecast Valid:
3am EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation