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

73°F

23°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 6:53 pm EDT
Extended Forecast for

Growstown ME

  • Tonight

    Tonight: Patchy fog before 8pm, then areas of fog after 4am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Areas Fog

  • Thursday

    Thursday: Partly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 82 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 58. Southwest wind around 5 mph becoming calm.

    Low: 58 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 80. North wind around 5 mph becoming south in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 11am. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 8pm, then areas of fog after 4am. Otherwise, partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 58. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 80. North wind around 5 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 55. Calm wind.
Saturday
A 40 percent chance of showers after 11am. Mostly cloudy, with a high near 75.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
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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:
6:00 pm EDT Aug 19, 2026
Forecast Valid:
7pm EDT Aug 19, 2026-6pm EDT Aug 26, 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