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.

Fair

56°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 29.73 in (1006.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 12:53 am EDT
Extended Forecast for

Brightwater ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Calm wind becoming west around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 5pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers, mainly after 9pm. Low around 56. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Calm wind becoming west around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers after 5pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Showers, mainly after 9pm. Low around 56. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 90%.
Tuesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers. Partly 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:
6:15 pm EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 21, 2026-6pm EDT Jun 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