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

34°F

1°C

Humidity 97%
Wind Speed N 7 mph
Barometer 29.76 in (1008.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 21 Mar 7:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 41. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming light.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow, mainly after 11am. High near 35. Southeast wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow Likely
    then Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after midnight. Low around 28. Northeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: A chance of snow, mainly before 5pm. Cloudy, with a high near 33. North wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. North wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. North wind around 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 41. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 29. Northwest wind 5 to 9 mph becoming light.
Sunday
Snow, mainly after 11am. High near 35. Southeast wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after midnight. Low around 28. Northeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of snow, mainly before 5pm. Cloudy, with a high near 33. North wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 21. North wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 36. North wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A chance of snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow before 11pm, then a slight chance of snow. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 38. Breezy. 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:
5:57 am EDT Mar 21, 2026
Forecast Valid:
8am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation