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.

Unknown Precip

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1017.9 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 4 Mar 3:56 am EST
Extended Forecast for

Castine ME

  • Overnight

    Overnight: A chance of snow, mainly before 5am. Mostly cloudy, with a low around 30. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 45. West wind 7 to 9 mph.

    High: 45 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 5 to 7 mph becoming calm.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. Northeast wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 4am. Cloudy, with a low around 23. Northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A chance of snow, mainly before 1pm. Cloudy, with a high near 32. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow and sleet before 2am, then a slight chance of freezing rain between 2am and 3am, then a slight chance of rain after 3am. Cloudy, with a low around 29. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Wintry Mix

  • Saturday

    Saturday: A chance of rain before 1pm. Cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
A chance of snow, mainly before 5am. Mostly cloudy, with a low around 30. Southwest wind around 7 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 45. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 5 to 7 mph becoming calm.
Thursday
Partly sunny, with a high near 32. Northeast wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
A chance of snow, mainly after 4am. Cloudy, with a low around 23. Northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
A chance of snow, mainly before 1pm. Cloudy, with a high near 32. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Friday Night
A slight chance of snow and sleet before 2am, then a slight chance of freezing rain between 2am and 3am, then a slight chance of rain after 3am. Cloudy, with a low around 29. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 20%.
Saturday
A chance of rain before 1pm. Cloudy, with a high near 45. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 51.
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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:
3:03 am EST Mar 4, 2026
Forecast Valid:
4am EST Mar 4, 2026-6pm EDT Mar 10, 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