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.

Fog/Mist

60°F

16°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 60°F (16°C)
Visibility 1.00 mi
Last update 14 Jul 5:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 61 °F

    Patchy Fog
    then Isolated
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Calm wind becoming south 5 to 9 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61. South wind 5 to 7 mph.

    Low: 61 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 69. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog before 11pm, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. South wind 6 to 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms, mainly between 1am and 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61. South wind 5 to 7 mph.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 69. South wind 6 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog before 11pm, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
1:44 am EDT Jul 14, 2025
Forecast Valid:
6am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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