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.

Rain Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed S 17 mph
Barometer 29.92 in
Dewpoint 49°F (9°C)
Visibility 3.00 mi
Wind Chill44°F (7°C)
Last update 10 May 5:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Showers, mainly before 8am. Patchy fog before 9am. High near 52. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 43. South wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 55. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Northwest wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
Showers, mainly before 8am. Patchy fog before 9am. High near 52. South wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 43. South wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 55. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 41. Northwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 51. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 40%.
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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:
4:02 am EDT May 10, 2026
Forecast Valid:
6am EDT May 10, 2026-6pm EDT May 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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