National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Bar Harbor, Hancock County-Bar Harbor Airport (KBHB)

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Fair

68°F

20°C

Humidity 61%
Wind Speed N 7 mph
Barometer 30.11 in (1019.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Aug 8:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Sunny, with a high near 74. Northwest wind 5 to 7 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind around 5 mph becoming light and variable.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Mostly Cloudy
    then Rain
    Likely and
    Patchy Fog

  • Monday

    Monday: Rain, mainly before 3pm. Patchy fog before 2pm. High near 64. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of rain, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 58 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. North wind 5 to 7 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 56. West wind around 5 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain likely, mainly after 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 3pm. Patchy fog before 2pm. High near 64. South wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of rain, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72. North wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 20%.
Friday
Sunny, with a high near 72.
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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:
7:36 am EDT Aug 15, 2026
Forecast Valid:
9am EDT Aug 15, 2026-6pm EDT Aug 21, 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