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

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 30.21 in (1022.9 mb)
Dewpoint 42°F (6°C)
Visibility 7.00 mi
Last update 18 Apr 6:53 am EDT
Extended Forecast for

Montsweag ME

  • Today

    Today: Patchy fog before 10am. Otherwise, increasing clouds, with a high near 56. Light east wind increasing to 5 to 10 mph in the morning.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain before 10pm. Patchy fog after 2am. Otherwise, cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 8am. Patchy fog before 9am. High near 51. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain likely before 1am, then a chance of snow between 1am and 2am. Cloudy during the early evening, then gradual clearing, with a low around 32. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 50. Calm wind becoming west around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, increasing clouds, with a high near 56. Light east wind increasing to 5 to 10 mph in the morning.
Tonight
A 20 percent chance of rain before 10pm. Patchy fog after 2am. Otherwise, cloudy, with a low around 40. Calm wind.
Sunday
Rain, mainly after 8am. Patchy fog before 9am. High near 51. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely before 1am, then a chance of snow between 1am and 2am. Cloudy during the early evening, then gradual clearing, with a low around 32. Northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 50. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montsweag ME
 43.96°N 69.7°W (Elev. 98 ft)
Last Update:
2:26 am EDT Apr 18, 2026
Forecast Valid:
7am EDT Apr 18, 2026-6pm EDT Apr 24, 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