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

Penobscot ME

  • Overnight

    Overnight: Rain likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a low around 60. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °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 74. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Rain Likely
    and Areas Fog

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 1am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 84. Northwest wind 6 to 8 mph.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Rain likely and possibly a thunderstorm. Areas of fog. Otherwise, cloudy, with a low around 60. Northeast wind around 6 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 74. Northeast wind 8 to 10 mph, with gusts as high as 20 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 1am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 84. Northwest wind 6 to 8 mph.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 9am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny and hot, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Penobscot ME
 44.46°N 68.71°W (Elev. 16 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