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.

Mostly Cloudy

78°F

26°C

Humidity 39%
Wind Speed Calm
Barometer 30.16 in (1021.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Aug 2:53 pm EDT
Extended Forecast for

Growstown ME

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Increasing clouds, with a high near 78. North wind around 5 mph becoming southeast in the afternoon.

    High: 78 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. South wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Labor Day
Increasing clouds, with a high near 78. North wind around 5 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 54. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. South wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Showers likely, mainly after 4pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Growstown ME
 43.89°N 69.99°W (Elev. 98 ft)
Last Update:
1:23 pm EDT Aug 31, 2025
Forecast Valid:
3pm EDT Aug 31, 2025-6pm EDT Sep 7, 2025
 
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