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.

Overcast

49°F

9°C

Humidity 64%
Wind Speed E 8 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Apr 5:56 pm EDT
Extended Forecast for

Castine ME

  • Tonight

    Tonight: A chance of rain between 8pm and 2am. Areas of fog after 2am. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    and Areas Fog

  • Sunday

    Sunday: Rain, mainly after 1pm. Areas of fog before 10am. High near 43. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow before midnight, then a chance of snow. Low around 34. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Northwest wind around 6 mph, with gusts as high as 16 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. North wind around 7 mph becoming southwest in the afternoon.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 3am. Mostly cloudy, with a low around 34. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain, mainly after 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 9pm. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain between 8pm and 2am. Areas of fog after 2am. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after 1pm. Areas of fog before 10am. High near 43. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, possibly mixed with snow before midnight, then a chance of snow. Low around 34. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind around 6 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 41. North wind around 7 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of rain and snow after 3am. Mostly cloudy, with a low around 34. Southwest wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly after 8am. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
A chance of rain, mainly before 9pm. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 50.
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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:
4:02 pm EDT Apr 18, 2026
Forecast Valid:
6pm EDT Apr 18, 2026-6pm EDT Apr 25, 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