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

Hazardous Weather Conditions

Current conditions at

Bangor, Bangor International Airport (KBGR)

Lat: 44.8°NLon: 68.82°WElev: 190ft.

A Few Clouds

72°F

22°C

Humidity 87%
Wind Speed SW 7 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Jul 9:53 am EDT
Extended Forecast for

Derby ME

  • Today

    Today: Widespread haze. Sunny and hot, with a high near 90. West wind 3 to 6 mph.

    High: 90 °F

    Haze

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light southwest wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 3am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 67. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 3am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 80. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze. Sunny and hot, with a high near 90. West wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 64. Light southwest wind.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
A slight chance of showers after 3am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 67. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 85. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 3am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 80. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Derby ME
 45.23°N 68.96°W (Elev. 299 ft)
Last Update:
9:07 am EDT Jul 15, 2025
Forecast Valid:
10am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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