National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Bar Harbor, Hancock County-Bar Harbor Airport (KBHB)

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Overcast

64°F

18°C

Humidity 93%
Wind Speed N 6 mph
Barometer 29.78 in (1008.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 30 Jul 3:56 am EDT
Extended Forecast for

2 Miles SSW Birch Harbor ME

  • Overnight

    Overnight: Rain likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a low around 57. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Rain Likely
    and Areas Fog

  • Thursday

    Thursday: Rain likely and possibly a thunderstorm. Areas of fog before noon. Otherwise, cloudy, with a high near 65. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Rain Likely
    and Areas Fog

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 57. Northeast wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. North wind around 8 mph becoming southwest in the afternoon.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. Southwest wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. South wind 5 to 7 mph.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Overnight
Rain likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a low around 57. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain likely and possibly a thunderstorm. Areas of fog before noon. Otherwise, cloudy, with a high near 65. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain, mainly before 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 57. Northeast wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. North wind around 8 mph becoming southwest in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. Southwest wind 3 to 5 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. South wind 5 to 7 mph.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 9am. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Birch Harbor ME
 44.36°N 68.04°W (Elev. 3 ft)
Last Update:
4:02 am EDT Jul 30, 2026
Forecast Valid:
4am EDT Jul 30, 2026-6pm EDT Aug 5, 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