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

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

74°F

23°C

Humidity 62%
Wind Speed SE 5 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Aug 6:53 pm EDT
Extended Forecast for

Mouse Island ME

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then scattered showers. Cloudy during the early evening, then gradual clearing, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely then
    Scattered
    Showers

  • Monday

    Monday: Sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South wind around 5 mph.
Sunday
Scattered showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then scattered showers. Cloudy during the early evening, then gradual clearing, with a low around 56. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 74. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 58.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mouse Island ME
 43.82°N 69.65°W (Elev. 0 ft)
Last Update:
6:28 pm EDT Aug 16, 2025
Forecast Valid:
7pm EDT Aug 16, 2025-6pm EDT Aug 23, 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