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

59°F

15°C

Humidity 90%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 11:53 pm EDT
Extended Forecast for

Montsweag ME

  • Overnight

    Overnight: Areas of fog after 4am. Otherwise, increasing clouds, with a low around 55. Calm wind.

    Low: 55 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 74 °F

    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Rain, mainly after 8pm. Patchy fog before midnight, then patchy fog after 4am. Low around 54. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Showers, mainly before 1pm. Patchy fog before 9am. High near 75. Southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 80%.

    High: 75 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 7pm. Patchy fog after midnight. Otherwise, mostly clear, with a low around 57. Calm wind becoming northwest around 5 mph.

    Low: 57 °F

    Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Areas of fog after 4am. Otherwise, increasing clouds, with a low around 55. Calm wind.
Monday
Areas of fog before 7am. Otherwise, mostly cloudy, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Rain, mainly after 8pm. Patchy fog before midnight, then patchy fog after 4am. Low around 54. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, mainly before 1pm. Patchy fog before 9am. High near 75. Southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers before 7pm. Patchy fog after midnight. Otherwise, mostly clear, with a low around 57. Calm wind becoming northwest around 5 mph.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers after 3am. Partly cloudy, with a low around 58.
Friday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montsweag ME
 43.99°N 69.73°W (Elev. 118 ft)
Last Update:
8:35 pm EDT Jun 21, 2026
Forecast Valid:
12am EDT Jun 22, 2026-6pm EDT Jun 28, 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