Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

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

Lat: 44.45°NLon: 68.37°WElev: 82ft.

Overcast

67°F

19°C

Humidity 91%
Wind Speed S 5 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Last update 1 Jul 9:56 am EDT
Extended Forecast for

4 Miles NNW Unionville ME

Extreme Heat Watch July 2, 11:00am until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: Mostly sunny, with a high near 81. Southwest wind around 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 3am and 4am.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 64. Southwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 91. Heat index values as high as 103. West wind 5 to 9 mph.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers between 11pm and midnight.  Partly cloudy, with a low around 71. West wind around 5 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 93. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. West wind 5 to 7 mph.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: A slight chance of showers between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny and hot, with a high near 88. West wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 10pm.  Partly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms, mainly between 3am and 4am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny and hot, with a high near 91. Heat index values as high as 103. West wind 5 to 9 mph.
Thursday Night
A slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 71. West wind around 5 mph. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 93. West wind 7 to 11 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 69. West wind 5 to 7 mph.
Independence Day
A slight chance of showers between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 88. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers before 10pm. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Unionville ME
 44.62°N 68.02°W (Elev. 180 ft)
10:13 am EDT Jul 1, 2026
11am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
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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