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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Castine ME

  • Today

    Today: Mostly sunny, with a high near 36. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. North wind around 15 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 28. North wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. West wind 3 to 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. Southwest wind 7 to 17 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 36. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 18. North wind around 15 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 28. North wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 21. West wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 38. Southwest wind 7 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 45. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A slight chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Tuesday Night
Rain and snow likely, mainly after 3am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday
A chance of rain. Partly sunny, with a high near 47. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
5:42 am EDT Mar 27, 2026
Forecast Valid:
8am EDT Mar 27, 2026-6pm EDT Apr 2, 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