Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

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

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Fog

66°F

19°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 66°F (19°C)
Visibility 0.50 mi
Last update 3 Aug 4:56 am EDT
Extended Forecast for

South Deer Isle ME

Dense Fog Advisory until August 3, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until August 3, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 65 °F

    Scattered
    Showers and
    Areas Fog

  • Monday

    Monday: Rain, with thunderstorms also possible after 11am.  Areas of fog before 11am. High near 80. South wind 8 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Rain and
    Areas Fog

  • Monday Night

    Monday Night: Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and midnight.  Patchy fog after 9pm.  Otherwise, cloudy during the early evening, then gradual clearing, with a low around 65. West wind 13 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Rain Likely
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 85. Southwest wind around 13 mph, with gusts as high as 24 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered showers. Areas of fog. Otherwise, cloudy, with a low around 65. Southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, with thunderstorms also possible after 11am. Areas of fog before 11am. High near 80. South wind 8 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and midnight. Patchy fog after 9pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 65. West wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 85. Southwest wind around 13 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 82.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
South Deer Isle ME
 44.19°N 68.67°W (Elev. 7 ft)
4:02 am EDT Aug 3, 2026
5am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database