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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Fog/Mist

51°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in (1016.4 mb)
Dewpoint 51°F (11°C)
Visibility 6.00 mi
Last update 26 Jul 2:56 am EDT
Extended Forecast for

Deer Isle ME

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 59. Light south wind.
Wednesday
A chance of showers, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 60. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Isle ME
 44.21°N 68.69°W (Elev. 92 ft)
Last Update:
2:29 am EDT Jul 26, 2026
Forecast Valid:
3am EDT Jul 26, 2026-6pm EDT Aug 1, 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