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 87%
Wind Speed SE 5 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 1:53 am EDT
Extended Forecast for

Brightwater ME

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Areas Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 71. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers. High near 71. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 60. Northeast wind around 5 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 77.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
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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:
2:35 pm EDT Jul 28, 2026
Forecast Valid:
2am EDT Jul 29, 2026-6pm EDT Aug 4, 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