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.

Overcast

67°F

19°C

Humidity 71%
Wind Speed Calm
Barometer 30.05 in (1017.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 11:53 pm EDT
Extended Forecast for

Charleston ME

  • Overnight

    Overnight: Partly cloudy, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. North wind around 5 mph becoming calm in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Light north wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, mainly after 4pm. Partly sunny, with a high near 76. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Cloudy, with a low around 57. East wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. North wind around 5 mph.
Friday
Sunny, with a high near 79. North wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 52. Light north wind.
Saturday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 76. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 57. East wind around 7 mph. Chance of precipitation is 70%. 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. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 70%.
Monday
A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston ME
 45.09°N 69.03°W (Elev. 469 ft)
Last Update:
9:40 pm EDT Aug 20, 2026
Forecast Valid:
12am EDT Aug 21, 2026-6pm EDT Aug 27, 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