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

65°F

18°C

Humidity 32%
Wind Speed S 12 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 May 3:53 pm EDT
Extended Forecast for

Muscongus ME

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47. South wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47. South wind around 5 mph becoming calm.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 62. Southwest wind around 5 mph.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers between 11am and 3pm. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 45.
Memorial Day
A 30 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Muscongus ME
 43.95°N 69.46°W (Elev. 16 ft)
Last Update:
3:45 pm EDT May 18, 2026
Forecast Valid:
4pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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