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.

Fair

65°F

18°C

Humidity 68%
Wind Speed Vrbl 5 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 9 Jun 7:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Sunny, with a high near 73. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 53. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 63. Southeast wind 3 to 6 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 73. Light southwest wind increasing to 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 70. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. South wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 63. Southeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 54. Light and variable wind.
Friday
Partly sunny, with a high near 68. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 54.
Monday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
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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:
6:48 am EDT Jun 9, 2026
Forecast Valid:
8am EDT Jun 9, 2026-6pm EDT Jun 15, 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