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

36°F

2°C

Humidity 97%
Wind Speed SE 9 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Wind Chill29°F (-2°C)
Last update 3 Apr 9:56 am EDT
Extended Forecast for

Castine ME

  • Today

    Today: A chance of rain and thunderstorms. Cloudy, with a high near 41. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 41 °F

    Chance Rain

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 39. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 39 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 44. North wind 10 to 17 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after 2am. Low around 35. Southeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain. High near 44. Southeast wind 13 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. West wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms. Cloudy, with a high near 41. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog between 2am and 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 39. Southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.
Saturday
Mostly sunny, with a high near 44. North wind 10 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Rain, mainly after 2am. Low around 35. Southeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 44. Southeast wind 13 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 44. West wind 13 to 16 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 46. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castine ME
 44.38°N 68.8°W (Elev. 0 ft)
Last Update:
8:59 am EDT Apr 3, 2026
Forecast Valid:
10am EDT Apr 3, 2026-6pm EDT Apr 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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