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

62°F

17°C

Humidity 78%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jul 12:53 am EDT
Extended Forecast for

Montsweag ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. South wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 4am, then a chance of thunderstorms after 5am. Low around 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers after 11am. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 59. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 76. South wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms, mainly before 4am, then a chance of thunderstorms after 5am. Low around 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers after 11am. Mostly cloudy, with a high near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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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:
6:41 pm EDT Jul 20, 2026
Forecast Valid:
1am EDT Jul 21, 2026-6pm EDT Jul 27, 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