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

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Overcast

70°F

21°C

Humidity 79%
Wind Speed S 5 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 4:53 pm EDT
Extended Forecast for

Brightwater ME

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. South wind 5 to 10 mph becoming light and variable in the evening.

    Low: 63 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers between 1pm and 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 77 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. South wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of showers between 1pm and 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brightwater ME
 43.81°N 69.86°W (Elev. 33 ft)
Last Update:
2:33 pm EDT Aug 17, 2026
Forecast Valid:
5pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation