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

54°F

12°C

Humidity 47%
Wind Speed S 14 mph
Barometer 30.53 in (1034.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 23 May 5:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Patchy fog after midnight. Low around 44. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Memorial Day

    Memorial Day: Showers, mainly before 1pm. Patchy fog. High near 55. East wind 6 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. Light west wind.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 11pm. Partly cloudy, with a low around 51. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 10am. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. South wind 5 to 7 mph becoming calm in the evening.
Sunday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 54. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Rain, mainly after 8pm. Patchy fog after midnight. Low around 44. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
Showers, mainly before 1pm. Patchy fog. High near 55. East wind 6 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 47. Light west wind.
Tuesday
Mostly sunny, with a high near 68. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 51. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 10am. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
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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:
4:02 pm EDT May 23, 2026
Forecast Valid:
5pm EDT May 23, 2026-6pm EDT May 30, 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