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

Bangor, Bangor International Airport (KBGR)

Lat: 44.8°NLon: 68.82°WElev: 190ft.

Mostly Cloudy

83°F

28°C

Humidity 32%
Wind Speed Vrbl 7 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Aug 2:53 pm EDT
Extended Forecast for

Derby ME

  • This Afternoon

    This Afternoon: Cloudy, with a high near 81. Northwest wind around 5 mph.

    High: 81 °F

    Cloudy

  • Tonight

    Tonight: Areas of fog after 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 79. Light north wind.

    High: 79 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 76 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 55. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. East wind around 6 mph. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Cloudy, with a high near 81. Northwest wind around 5 mph.
Tonight
Areas of fog after 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 79. Light north wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. Calm wind.
Saturday
A chance of showers, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers, mainly after 8pm. Low around 55. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. East wind around 6 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Monday
A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby ME
 45.24°N 68.99°W (Elev. 312 ft)
Last Update:
2:43 pm EDT Aug 20, 2026
Forecast Valid:
3pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation