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.

Light Rain

50°F

10°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.89 in
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 12 Oct 2:56 am EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Rain. Low around 52. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain

  • Columbus Day

    Columbus Day: A chance of rain before 8am, then isolated showers after 5pm. Partly sunny, with a high near 64. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 64 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Isolated showers before 9pm. Mostly cloudy, with a low around 44. Northeast wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Isolated
    Showers then
    Cloudy

  • Tuesday

    Tuesday: Rain, mainly after noon. High near 51. East wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 50. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 50 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A chance of rain, mainly before 9am. Mostly cloudy, with a high near 58. Northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind 6 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 52. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
A chance of rain before 8am, then isolated showers after 5pm. Partly sunny, with a high near 64. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Monday Night
Isolated showers before 9pm. Mostly cloudy, with a low around 44. Northeast wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Rain, mainly after noon. High near 51. East wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 50. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of rain, mainly before 9am. Mostly cloudy, with a high near 58. Northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind 6 to 9 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Rain, mainly after 11am. High near 54. Chance of precipitation is 80%.
Friday Night
Rain. Low around 42. Chance of precipitation is 80%.
Saturday
A chance of rain. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.4°N 68.79°W (Elev. 7 ft)
Last Update:
2:54 am EDT Oct 12, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation