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.

Light Rain Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 2:56 am EDT
Extended Forecast for

Castine ME

  • Overnight

    Overnight: Patchy drizzle. Widespread fog. Otherwise, cloudy, with a low around 40. Southeast wind around 7 mph.

    Low: 40 °F

    Patchy
    Drizzle and
    Fog

  • Sunday

    Sunday: Rain, mainly after 9am. Widespread fog, mainly before 8am. High near 43. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Rain and Fog

  • Sunday Night

    Sunday Night: Rain, mainly before 9pm. Low around 34. Northwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. North wind around 8 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. North wind 5 to 7 mph becoming southwest in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Southwest wind around 6 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 8am. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy drizzle. Widespread fog. Otherwise, cloudy, with a low around 40. Southeast wind around 7 mph.
Sunday
Rain, mainly after 9am. Widespread fog, mainly before 8am. High near 43. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, mainly before 9pm. Low around 34. Northwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 44. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. North wind around 8 mph.
Tuesday
Sunny, with a high near 42. North wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33. Southwest wind around 6 mph.
Wednesday
A chance of showers, mainly after 8am. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 47. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 48.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 48. 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:
2:30 am EDT Apr 19, 2026
Forecast Valid:
3am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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